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Viewing: Blog Posts Tagged with: astronomy, Most Recent at Top [Help]
Results 26 - 50 of 56
26. Written in the stars

By Marilyn Deegan


The new discoveries of the Mars rover Curiosity have greatly excited the world in the last few weeks, and speculation was rife about whether some evidence of life has been found. (In actuality, Curiosity discovered complex chemistry, including organic compounds, in a Martian soil analysis.)

Why the excitement? Well, astronomy, cosmology, astrology, and all matters to do with the stars, the planets, the universe, and space have always fascinated humankind. Scientists, astrologers, soothsayers, and ordinary people look up to the heavenly bodies and wonder what is up there, how far away, whether there is life out there, and what influence these bodies have upon our lives and our fortunes. Were we born under a lucky star? Will our horoscope this week reveal our future? What is the composition of the planets?

Astronomy is one of the oldest natural sciences, but it was the invention of the telescope in the early 17th century that advanced astronomy into a science in the modern sense of the word. Throughout the course of the 16th and 17th centuries, Copernicus, Galileo, Kepler, and others challenged the established Ptolemeic cosmology, and put forth the theory of a heliocentric solar system. The Church found a heliocentric universe impossible to accept because medieval Christian cosmology placed earth at the centre of the universe with the Empyrean sphere or Paradise at the outer edge of the circle; in this model, the moral universe and the physical universe are inextricably linked. (This is a model that is typified in Dante’s Divine Comedy.)

Authors from John Skelton (1460-1529) to John Evelyn (1620-1706) lived in this same period of great change and discovery, and we find a great deal of evidence in Renaissance writings to show that the myths, legends, and scientific discoveries around astronomy were a significant source of inspiration.

The planets are of course not just planets: they are also personifications of the Greek and Roman gods; Mars is a warlike planet, named after the god of war. Because of its red colour the Babylonians saw it as an aggressive planet and had special ceremonies on a Tuesday (Mars’ day; mardi in French) to ward off its baleful influence. We find much evidence of the warlike nature of Mars in writers of the period: Thomas Stanley’s 1646 translation Love Triumphant from A Dialogue Written in Italian by Girolamo Preti (1582-1626) is a verbal battle between Venus and her accompanying personifications (Love, Beauty, Adonis) and Mars (who was one of her lovers) and his cohort concerning the superior powers of love and war. Venus wins out over the warlike Mars: a familiar image of the period.

John Lyly’s play The Woman in the Moon (c.1590-1595) also personifies the planets and plays on the traditional notion that there is a man in the moon. Lyly’s use of the planets is thought to reflect the Elizabethan penchant for horoscope casting. The warlike Mars versus Venus trope is common throughout the period, and it appears in the works of Shakespeare, Marlowe, Middleton, Gascoigne, and most of their contemporaries. A search in the current Oxford Scholarly Editions Online collection for Mars and Venus reveals almost 300 examples. Many writers of the period also refer to astrological predictions; Shakespeare in Sonnet 14 says:

Not from the stars do I my judgement pluck,
And yet methinks I have astronomy,
But not to tell of good or evil luck,
Of plagues, of dearths, or seasons’ quality;

This is thought to be a response to Philip Sidney’s quote in ‘Astrophil and Stella’ (26):

Who oft fore-judge my after-following race,
By only those two starres in Stella’s face.

Thomas Powell (1608-1660) suggests astrological allusions in his poem ‘Olor Iscanus’:

What Planet rul’d your birth? what wittie star?
That you so like in Souls as Bodies are!

Teach the Star-gazers, and delight their Eyes,
Being fixt a Constellation in the Skyes.

While there is still much myth and metaphor pertaining to heavenly bodies in 17th century literature, there is increasing scientific discussion of the positions of the planets and their motions. To give just a few examples, Robert Burton’s 1620 Anatomy of Melancholy discusses the new heliocentric theories of the planets and suggests that the period of revolution of Mars around the sun is around three years (in actuality it is two years).

In his Paradoxes and Problemes of 1633, John Donne in Probleme X discusses the relative distances of the planets from the earth and quotes Kepler:

Why Venus starre onely doth cast a Shadowe?

Is it because it is neerer the earth? But they whose profession it is to see that nothing bee donne in heaven without theyr consent (as Kepler sayes in himselfe of all Astrologers) have bidd Mercury to bee nearer.

The editor’s note suggests that Donne is following the Ptolemaic geocentric system rather than the recently proposed heliocentric system. In his Devotions upon Emergent Occasions of 1623 Donne castigates those who imagine that there are other peopled worlds, saying:

Men that inhere upon Nature only, are so far from thinking, that there is anything singular in this world, as that they will scarce thinke, that this world it selfe is singular, but that every Planet, and every Starre, is another world like this; They finde reason to conceive, not onely a pluralitie in every Species in the world, but a pluralitie of worlds;

There are also a number of letters written in the 1650s and 1660s between Thomas Hobbes and Claude Mylon, Francois de Verdus, and Samuel Sorbière concerning the geometry of planetary motion.

William Lilly’s chapter on Mars in his Christian Astrology (1647), is a blend of the scientific and the metaphoric. He is correct that Mars orbits the sun in around two years ‘one yeer 321 dayes, or thereabouts’, and he lists in great detail the attributes of Mars: the plants, sicknesses, qualities associated with the planet. And he states that among the other planets, Venus is his only friend.

There are few areas of knowledge where myth, metaphor, and science are as continuously connected as that pertaining to space and the universe. Our origins, our meaning systems, and our destinies — whatever our religious beliefs — are bound up with this unimaginably large emptiness, furnished with distant bodies that show us their lights, lights which may have been extinguished in actuality millenia ago. Only death is more mysterious, and many of our beliefs about life and death are also bound up with the mysteries of the universe. That is why we remain so fascinated with Mars.

Marilyn Deegan is Professor Emerita in the Department of Digital Humanities at King’s College, University of London. She has published widely on textual editing and digital imaging. Her book publications include Digital Futures: Strategies for the Information Age (with Simon Tanner, 2002), Digital Preservation (edited volume, with Simon Tanner, 2006), Text Editing, Print and the Digital World (edited volume, with Kathryn Sutherland, 2008), and Transferred Illusions: Digital Technology and the Forms of Print (with Kathryn Sutherland, 2009). She is editor of the journal Literary and Linguistics Computing and has worked on numerous digitization projects in the arts and humanities. Read Marilyn’s blog post where she looks at the evolution of electronic publishing.

Oxford Scholarly Editions Online (OSEO) is a major new publishing initiative from Oxford University Press. The launch content (as at September 2012) includes the complete text of more than 170 scholarly editions of material written between 1485 and 1660, including all of Shakespeare’s plays and the poetry of John Donne, opening up exciting new possibilities for research and comparison. The collection is set to grow into a massive virtual library, ultimately including the entirety of Oxford’s distinguished list of authoritative scholarly editions.

Oxford University Press’ annual Place of the Year, celebrating geographically interesting and inspiring places, coincides with its publication of Atlas of the World – the only atlas published annually — now in its 19th Edition. The Nineteenth Edition includes new census information, dozens of city maps, gorgeous satellite images of Earth, and a geographical glossary, once again offering exceptional value at a reasonable price. Read previous blog posts in our Place of the Year series.

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The post Written in the stars appeared first on OUPblog.

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27. Supermoon - Saturday, May 5th

SUPERMOON


I love astronomy and Saturday, May 5th, we'll have the “biggest full moon of the year.”

Here’s an excerpt of the article:
The biggest full moon of the year, a so-called "supermoon," will take center stage when it rises this weekend, and may interfere with the peak of an annual meteor shower created by the leftovers from Halley's comet.
The supermoon of 2012 is the biggest full moon of the yearand will occur on Saturday (May 5) at 11:35 p.m. EDT (0335 May 6), though the moon may still appear full to skywatchers on the day before and after the actual event. At the same time, the annual Eta Aquarid meteor shower will be hitting its peak, NASA scientists say.

To read the full article go to:
http://news.yahoo.com/supermoon-may-outshine-meteor-shower-weekend-201132286.html

It might be worth having the kids stay up for!

Karen

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28. Mitchell discovers a comet

This Day in World History - Each evening that weather permitted, Maria (pronounced Mah-RYE-uh) Mitchell mounted the stairs to the roof of her family’s Nantucket home to sweep the sky with a telescope looking for a comet. Mitchell—who had been taught mathematics and astronomy by her father—began the practice in 1836. Eleven years later, on October 1, 1847, her long labors finally paid off. When she saw the comet, she quickly summoned her father, who agreed with her conclusion.

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29. Note to ET: Don’t Bother Calling Us!

The title of this post is my advice to any extraterrestrials who might happen to be trying to contact Earth. Why am I giving them this harsh advice? We are not listening anymore. It is not that scientists have given up because they don’t think there are other intelligent beings in the universe. It is just that funding to the Allen Telescope Array has been cut. It would take $5 million to keep listening for radio signals from the exoplanets found by Kepler satellite for another two years in addition to $2 to $3 million to function and keep other research projects going.


The radio telescopes of the Allen Array are dedicated to searching for alien intelligence. The array was built by the SETI Institute. SETI is short for the search for extraterrestrial intelligence. Up until now, funding to operate the Hat Creek Radio Observatory, where the Allen Array is located, has come from several sources: private donations, the U.S. National Science Foundation (NSF), and the state of California. Seth Shostak, SETI senior astronomer reported that, “As it happens, Berkeley’s budget is way down—the state of California is in terrible financial circumstances because of the economic downturn. Consequently, they don't have the money to keep the doors open and pay the electric bills and pay the staff at the antenna. And we don't either, because we run our SETI projects mostly based on private donations, and those are down as well."


As of April 15, the Allen Telescopes have been put into hibernation to protect them and allow them to function again in the future. However, all is not lost; SETI astronomers can still collect data during downtime on other telescopes. Instead of having a 24-hour sky watch, they will have to depend on a few hours here and there to collect their data. This will significantly diminish their chances of finding a signal. Until the Allen Telescopes are back online, I guess ET will just have to wait for us to pick up our phone again.

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30. Space Weather: Who Cares?

On October 25, 2006, NASA launched twin STEREO (Solar TErrestrial RElations Observatory) spacecrafts. STEREO began sending back exceptional pictures of the sun and solar storms from the beginning of its mission. On Sunday, February 6, 2011, the two spacecrafts reached their positions 180° apart, aligned exactly opposite each other on either side of the sun. NASA showed the world the first 360° view of the sun.

I’ll admit that I’m a science geek, so I find this exciting. However, why should the average person be excited by this? Before I answer that question, let me ask a few more. Do you depend on GPS technology to get you from place to place? Do you listen to satellite radio or receive your television programming via a dish antenna rather than cable? How long could you go without your cell phone? Is electricity important to your wellbeing? You may feel like asking me what this has got to do with seeing the whole sun.

It has to do with sunspots and solar eruptions. To learn a little about sunspots see Stumbling into Cycle 24. In that post, I mentioned that during 2008, the sun was quiet with very few sunspots because sunspot cycle 23 was ending and cycle 24 was about to begin. Now, it’s 2011; cycle 24 is in gearing up and the number of sunspots and solar eruptions are increasing. So what, you may say. Sunspots and solar eruptions occur over the entire sun. Solar eruptions send streams of charges plasma particles into space. When the eruptions are aimed directly at Earth they can cause geomagnetic storms on Earth. Geomagnetic storms cause 0 Comments on Space Weather: Who Cares? as of 1/1/1900

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31. Are There Other Earths Out There?

The first week of February 2011 was an exciting week for astronomers around the world. NASA announced that the Kepler mission had found 1,235 potential planets orbiting stars in our Milky Way galaxy. All this was accomplished by looking at 1/400 of the sky during only four months of observations by the telescope on the Kepler spacecraft. To prevent interference caused by our atmosphere, Kepler follows a sun-centered orbit that trails Earth.
Kepler Spacecraft
Kepler searches for exoplanet candidates every 30 minutes by looking for a dip in the brightness of a star. As a planet orbits its star, it will pass between Kepler and the star, blocking a bit of the star’s light. The telescope, actually a photometer, measures the change in brightness and reports that it has found a planet candidate. The list below provides the size range of all the planet candidates found so far.

  • 68 Earth-size exoplanets
  • 288 super-Earth size exoplanets (with a radius up to 2 × Earth’s)
  • 662 Neptune-size exoplanets (with a radius up to 6.0 × Earth’s)
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32. Amazement In Small Doses

I try to take amazement in small doses each day. Such a practice keeps the heart ticking without fear of an overdose of excitement. It also allows a body to stop long enough to appreciate those things which would otherwise be overlooked.

Take this morning, for instance. The sun was shining as if it had just been let out of prison and had to rejoice for the world. I looked out the window to enjoy it because it’s been rather gloomy and gray around this part of the world for the last several days.

That’s when it hit me. If I live to be a thousand years old, it will never cease to amaze me at how fast the sun’s position can shift from the northeast in the morning sky during high summer to the sky’s southeast during November.

Think about it. For the solar system to work in such a way along with the rotation of the Earth, that the sun’s position can make such a marvelous change in it’s appearance is amazing. Of course, the Moon does much the same thing for much the same reasons, but we don’t pay much attention to how it hangs in the sky. The only time we really pay attention to it is if it’s hanging up there, full and glorious, during the daytime.

Or, what about standing under a clear blue sky and have snowflakes falling gently to the ground. Where do they come from if there aren’t visible clouds over your location?

How about the fact that a person can hear electricity running through power lines? What really makes them hum like that?

I got to thinking about those sounds which make me cringe. For some it’s nails on a chalkboard. I hate that sound, too, but there are worse for me. An electric heater humming or a florescent light fixture’s hum. A motorcycle, especially the lesser beasts with smaller engines, make want to rip it to shreds. I think it’s the pitch that infuriates me so much.

I do have a physical reaction to some sounds. Most people do.

The question is, why do we have a physical response at all? Is it the pitch, the sound’s frequency, DB level, an unpleasant childhood experience?

Or course, the same holds true for other stimuli. Why do some sights, sounds, or smells elicit pleasurable responses? I can understand kitchen odors such as fresh-baked bread or desserts and such. My mom was a great cook.

Other smells, like that of hospitals, also bring some people to near tears. There are emotional ties for everyone to particular odors. That’s been proven. Yet, certain sights and sounds bring a sense of peace with them.

Pictures and sounds of the sea have been used for decades to calm and refresh the mind and body. Some researchers profess that this response hails back to our primordial, genetic memory. Personally, I don’t buy that explanation. I think it comes from the susurration of the surf and it’s resemblance to a mother’s whispering shush when the baby wakes frightened and disoriented. That shush sound comes with warm comforting arms, many times.

Watching the surf has much the same effect, I think. The hypnotic repetition of the waves making their way to shore and running up the sand calms the watcher because of the regularity of the movement as much as sound. Even breakers have their own regularity and effect.

So, what does this have to do with amazement in small doses, you ask? Take the initiative to watch yourself today. If you hear someone laugh in pure delight/enjoyment, do you smile, too? If you see someone slip and fall, do you cringe from imagined pain? If there’s an incident o

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33. The Autumnal Equinox and the Beginning of Fall

It’s official. Summer is over. Although summer vacation has ended and school has already begun, tonight the Earth will initiate the fall season with the autumnal equinox.


The autumnal equinox will occur at approximately 11:09 p.m. EDT tonight. The word equinox, Latin for “equal night,” means that night and day are going to be almost exactly the same length. Through the tilting of the Earth’s axis that brings seasonal change, the equinox represents when the sun is aligned with the equator, equalizing the sun's rays across the hemispheres. For many other parts of the northern hemisphere (those in earlier time zones), the wee early hours of Thursday morning will officially mark the beginning of fall. On come shorter days and colder weather.


Another treat to celebrate during the change to autumn is tonight's full harvest moon. The harvest moon happens yearly, near the time of the autumn equinox; but this year the two phenomena fall on the same day. What marks the harvest moon is its appearance. Different from other full moons, tonight’s moon will be low in the sky, thus taking on a reddish appearance. It will be full again tomorrow night.

When I think of fall, I am always reminded of the first few weeks of school. As a young kid heading off to walk to middle school, I would crunch the dry dead leaves under my shoes as I skipped the half-mile stretch with my best friend. I remember the sharpening of No. 2 pencils, getting to know new teachers, and dreading my 0 Comments on The Autumnal Equinox and the Beginning of Fall as of 1/1/1900
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34. Like Silver Ribbons Across The Earth


Julie, Henry and myself all packed in the car and drove out of Toronto to the David Dunlap Observatory on Richmond Hill this evening to watch the Perseid meteor shower. They were amazing, the whole night was amazing. Hundreds of people laying on their backs in total darkness on a grassy hill in front of a sprawling observatory. Every time a bright silver ribbon flashed across the sky the crowd would ooh and aah and then laugh. I didn't have the best camera and couldn't figure out how to take night time photos with it so I took these shots in and around one of the observatories. Henry slept through the whole thing but I was glad he was there in any case.

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35. Alice's Celestial Globe



The Bainbridge Island library has a copy of Alice's Celestial Globe made by Greaves and Thomas. John Tenniel's illustrations for Alice's Adventures in Wonderland, and Thought the Looking Glass and What Alice Found There are matched with many of the known constellations. The link has photos that are much better than the ones I took last Friday plus explanations of the constellations.



The Orrery Cafe in the Isle of Wight is a planetarium that depicts Alice's celestial globe. When the House of Glee finally visits England, we must also visit the Isle of Wight for the Orrery Cafe alone.

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36. Nonfiction Monday: Outer Space

I'm still working through my stack of Cybils books. All of them were read last fall, but in trying to get them all read in time, I didn't get around to formally reviewing them all yet. But here are two of the nominees, both about space!

Mission Control, This is Apollo: The Story of the First Voyages to the MoonMission Control, This is Apollo: The Story of the First Voyages to the Moon Andrew Chaikin and Victoria Kohl, with paintings by Alan Bean

Chaikin, who also wrote A Man on the Moon: The Voyages of the Apollo Astronauts writes a kid's version, detailing all of the manned Apollo missions, from the first deadly one to the final one--the last time anyone has set foot on the moon.

There are several pull-out informational pages and great photography, but the best part is the paintings. Alan Bean, who walked on the moon as part of Apollo 12, turned to painting full-time after retiring from NASA. Many of his paintings, along with paragraph-long captions written by him, show moments that weren't captured on film, and ones that try to capture the emotion of the scene instead of just the visual facts. There's also a great section on how he creates his paintings-- including bits of moon dust and scuffing his work with replicas of his lunar boots.

But Jennie! Painting instead of photos is one of your biggest complaints about We Are the Ship! Why is it a feature here and a detriment there?

Simple-- because of how they're treated. Many of the paintings aren't mere replicas of photographs, however masterfully rendered. Also, the paintings are treated as works of art, making this almost a combination space book and art book. Each painting also has Bean's commentary-- what he was trying to capture and why he made the artistic choices that he did. They range from almost photo-realistic to fairly abstract. They also aren't the only visual elements in the book-- there are many, many photographs.

In addition to the paintings, my second favorite part of the book is the back flap, which shows a picture of Chaikin and Bean-- taken when Chaiken was 12 years old and Bean was training for Apollo 12.  What a wonderful story-behind-the-story, that a boy meeting one of his heroes would grow up and create something so awesome with that same person.

Book Provided by... the publisher, for Cybils consideration

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37. Every Soul a Star

Every Soul A StarEvery Soul A Star Wendy Mass

Ally (short for Alpha) lives in the middle of nowhere, on a campground dedicated to amateur astronomers. For most of her life, her family has been preparing for this week, when they have the best place in the world to view the upcoming solar eclipse. And after that, she will be moving away.

Bree wants to be a model when she grows up. She isn't like her scientist parents and geeky sister. She likes makeup and clothes and being popular and only wishes her family understood that. She is not happy to find out that they're moving to the middle of the woods, at least an hour away from anything else.

Jack isn't sure what his science teacher was thinking-- why would he pick him to assist on the eclipse tour? Jack is fat, doesn't have any friends, and just sits in the back of class drawing aliens and wizards, which is why he failed science, but... if assisting on this tour will get him out of summer school...

There lives are thrown together during a major astronomical event. Although there are only three narrators to the story, it's actually six kids that form a group of friends-- Ally, Bree, Jack, Ally's brother Kenny, Bree's sister Melanie, and Ryan who comes to the camp every summer with his grandparents. While the friendships are unlikely, there isn't a lot of drama surrounding them. Mass makes each of these kids multi-faceted and likable, even Bree. It's so easy to make the pretty, popular girl be mean and horrible, but I really liked Bree. (I have some further thoughts on how her story ended here. SPOILERS!) I was NOT such a fan of the parents (really, dropping huge 'we're moving!' bombshells on your kids days before the fact? NOT COOL. And yet both sets of parents did it! What the what?

I also like the way Mass handled all the science (and there is a lot of science.) She explains a lot of astronomical things without letting the explanations bog down the story or the text. There's also a great further reading list at the end of the book if you want to know more.

Overall, a great book about eclipses and friendship and change and life and the big and little things that make up the in-between.

Book Provided by... my local library

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38. FACT AND FICTION


           “If you want to write nonfiction, dig out the humanity. Really, this is the old ‘show don’t tell’ rule—if you show the human actions behind the event, the story comes alive…”                  --Vicki Oransky Wittenstein

 

 


            Day 2 of our interview with Vicki Oransky Wittenstein, author of Planet Hunter, Geoff Marcy and the Search for Other Earths (Boyds Mills, March, 2010).

 

Q: The story of Geoff Marcy as he develops his groundbreaking system to detect new planets is full of human drama. From Marcy’s boyhood on he seems to battle the odds against becoming not only a world class astronomer but the man who achieves what others believe is impossible. I’m reminded of Phillip Hoose’s wonderful book on Claudette Colvin Twice Toward Justice in that you were able to create new awareness and excitement about a subject by showing events through another’s eyes. How did this human drama help shape the book? How much did you draw on fictional techniques while writing? Do you have any advice for other writers in approaching non-fiction in terms of shaping their story? 

 

            The nonfiction I admire most draws on fiction techniques to create suspense. The story arc is so important. Without it, nonfiction is just narrative and pretty hard for people, especially young people, to follow. Behind every true-life event, there is human drama, often a special kernel of truth that imparts significant meaning to children. If you want to write nonfiction, dig out the humanity. Really, this is the old “show don’t tell” rule—if you show the human actions behind the event, the story comes alive, and important life messages are conveyed without sounding didactic. Add a Comment

39. FACT AND FICTION


       

             “…I love drama! And if, as they say, truth is stranger than fiction, then I certainly have seen my share of unbelievable human stories come true.” –Vicky Oransky Wittenstein


Book Cover: Planet Hunter

 

Q: Vicki, congratulations on your beautiful and amazing new book Planet Hunter, which has just been released with a Kirkus starred review! I found myself completely drawn in by the human drama of astronomer Geoff Marcy’s story and his fascinating hunt for “other earths.” (I have it on good authority that Marcy will be at your Manhattan launch party in April!) Can you talk a bit about what inspired Planet Hunter? What was the moment like when you finally saw your inspiration in actual book form?

 

            I think Planet Hunter was brewing for many years, maybe even from when I was a young girl and went camping. Warm and toasty in my sleeping bag, I would stare at the stars and dream about life on other planets. When the first extra solar planets were detected (planets outside our solar system) in 1995, I was glued to the news stories. Although astronomers had long thought there were planets orbiting other stars, finally there was proof! The possibility of other planets like Earth became a reality, and I was hooked. Since then, Geoff Marcy, the astronomer in my book, and his colleagues have detected over half of the known 400 planets orbiting other stars. Scientists are getting closer to finding another planet like Earth, and when they do, it will rock our world view.

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40. Five Year Celebration and a Giveaway

[Note to those reading this in RSS readers: this is the real blog post.]

Five years ago, I started a storytelling blog. My daughter was not yet two years old and I was still working as a children's librarian on a substitute basis. I had as a goal for that year to learn guitar or sewing, and surprised everyone (most of all myself) when I started lessons for both. Throughout the years, I've learned to know new people through blogging and have even got to meet some of them. Relationships with old friends with whom I'd been out of touch as well as acquaintances who've became good friends have been possible because of blogging.

I'm thankful for all of you. Today's celebration is in thanks for your friendship. I am hosting a giveaway of a doll I made especially for this day: an Astronomy Magus to aid you in storytelling or inspire you as you work.

The doll is made with hand-dyed dark blue wool felt and embroidered with blue and white stitches. To enter the giveaway, please leave a comment on this post with a reflection on one or more of the following items:

1. A description of a beloved story from your childhood that you have not yet located. Be as specific as possible, and someone might be able to find the information to reunite you with that story.

2. A song you really enjoy that you don't think a lot of people know. Please provide a verse or two.

3. A scenario of a book you would love to read that to the best of your knowledge has not been written. Only share the story idea if you're not planning to write it yourself!

4. Explain quantum theory as if it were a story.

I will need to be able to contact the recipient of the Astronomy Magus, either through an email address found on your blog/website profile or through a private email you sent directly to me at: saintsandspinners [at] gmail [dot] com. If you send me a private email, please be assured that I will not use your address for any purpose but this giveaway.

"Why an Astronomy Magus?" you might ask. Some of you know how much I love outer space. The science-fiction I enjoy most has to do with interplanetary travel. You might not have been aware that when Carl Sagan says, "The Cosmos is all that is or ever was or ever will be," my soul leaps with joy, but you've probably suspected that I watched every episode of the new Battlestar Galactica series. It is my hope that when I bring my first book-length story to completion, it will incorporate stories, songs and textiles into a science-fiction genre. That is why the Astronomy Magus is my gift.

The drawing for the Astronomy Magus ends Friday, February 26, at 6 P.M. Pacific Standard Time. You may comment multiple times, but each name will be entered only once. Parents and siblings of the House of Glee plus Brad the Gorilla are welcome to comment but will not be eligible for the drawing.

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41. "Once In a Blue Moon"

I just found out that today is a blue moon day. According to an article in Sky and Telescope magazine, What's a Blue Moon?, by by Roger W. Sinnott, Donald W. Olson, and Richard Tresch Fienberg, the popular definition of a blue moon as a full moon that occurs twice in one month is inaccurate, as it originally refers to a third full moon in a season of four. However, as the article points out, the

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42. Reaching for Exoplanets

Exoplanet photo from the Enersec websiteBede's current fascination is with exoplanets, also known as extrasolar planets. I've always been excited by the possibility of planets outside our solar system and life on those planets. Now that the scientists of planet Earth have actually discovered over 300 exoplanets with an estimated hundred billion just in the Milky Way galaxy, I don't feel elated.

3 Comments on Reaching for Exoplanets, last added: 10/19/2009
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43. Science to Science-Fiction to Silliness

New York Times article: Vatican’s Celestial Eye, Seeking Not Angels but Data, by George Johnson:Last year, in an opening address at a conference in Rome, called “Science 400 Years After Galileo Galilei,” Cardinal Tarcisio Bertone, the secretary of state of the Vatican, praised the church’s old antagonist as “a man of faith who saw nature as a book written by God.” In May, as part of the

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44. Aurora

I have always been fascinated by the aurora. I don’t mean Disney’s Sleeping Beauty. What I mean are the lights that play across the night sky in the Arctic and Antarctic. My mother told me that during the blackouts in World War II, she saw an aurora in Brooklyn, New York. One of the best places to see the aurora borealis, or northern lights, is in Yellowknife, Canada. Over the South Pole these lights are called the aurora australis, or southern lights.

For many years, scientists wondered about what causes the aurora. Recently, astronomers, with the help of five new satellites, found the answer. It all has to do with Earth’s magnetic field and the solar wind.



Earth’s magnetic field is produced by the circulation of molten iron in Earth’s core. The field acts as if there were a giant bar magnet buried deep within Earth. Now, please don’t e-mail me that the diagram here is wrong. I know that the S pole of the imaginary magnet is near the Geographic North Pole. Just think about it. The needle of a compass is a magnet. We call the end of the needle that points roughly toward the Geographic North Pole the north-seeking pole of the compass. As in love and electricity, opposites attract. Therefore, the magnetic pole near the Geographic North Pole must be an S pole. Lines of force emanate from Earth’s magnetic poles. Since the lines of force encircle Earth from the North Pole to the South Pole, this field is called the magnetosphere.

Solar wind is the plasma made of charged particles (protons, electrons, and ions) that leaves the sun in all directions. These particles travel at high speeds—an average of about 400 km/sec. That is almost a million mph. The solar wind varies routinely through the 27-day rotation cycle of the Sun. It also appears sporadically, in response to violent eruptions in the corona. These eruptions can result in geomagnetic storms on Earth.

A geomagnetic storm is a magnetic storm on Earth caused by solar activity. They produce the auroras. However, they can also cause some very undesirable effects, such as electrical current surges in power lines, interference with radio, television, and telephone signals, and problems with defense communications. They even affect compasses anywhere on Earth.

The astronomers learned from ground observations and the five satellites that the solar wind stretches Earth’s magnetic field well into space. When the field snaps back, Earth is showered with solar particles. This sudden release of energy causes the dancing northern lights.

I hope to see the northern lights some day. However, I don’t think it is likely because I really hate the cold.

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45. Poetry Friday: Annus Mirabilis

Annus Mirabilis

how close is
the edge where we gasp
at the wondrous view

to the place where we fall.
we’re addicted to gravity
we fall, and fall, and fall

the attraction is mutual
the disasters are many
the wonders placed as knots

on a rope. Hand over hand,
the shape of each day fitting
to our palms, rough and knobby,

we pull our hearts
tough as burnt sugar
out of the blackened scrape

we’ve gotten ourselves in. A year
is nothing but a spin around
the sun, an annulus,

a common ring,
the crushed remains
of dust orbiting,

a measure of growth,
a given promise of wonder
or disaster as it slips

over a finger. I promise
for years to come
and years past

and this year
that there will be
disasters and wonder,

and how close
we will see them
as we fall.

---Sara Lewis Holmes (all rights reserved)

Annus Mirabilis:  a year of disasters or miracles. In other words, any year in which love exists. 


Poetry Friday is hosted today by Anastasia at Picture Book of the Day.

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46. What I'm Reading Now: The Black Hole War

You wouldn't think a book about black holes and quantum mechanics would make me laugh. But it has. Regularly. 



by Leonard Susskind


Take this tidbit, for example:

p. 147  ". . . deep holes in space whose gravitational attraction is irresistible. Wheeler (John Archibald Wheeler) began calling them black holes. At first the name was blackballed by the preeminent American physics journal Physical Review. [...] the term black hole was deemed obscene!" 

I also liked his description of running 15 miles on a freezing day in Manhattan, until there were "icicles of sweat hanging from my long hair," and then being rescued by a fellow physicist in a taxi, who whisks him to Yeshiva University where he endures a debate about toilet paper and Talmudic law in the cafeteria before walking in late to a lecture about Stephen Hawking's latest breakthrough.  

I'm also loving Einstein as a role model for novelists. Yup. That man was the master of taking a very simple thought experiment and following it out to the most far-reaching conclusions. And tell me, isn't that just what an excellent novel should do? Have a clear premise and then astound and amaze you with how it all plays out? 

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47. Why Is the Sky Dark at Night?

The obvious answer to this question is “Duh, the sun has set!” Well, the sun doesn’t actually set; Earth turns on its axis and the side we are on no longer faces the sun. However, there is more to it than that.

Early astronomers believed that if the universe were infinite, the sky should never be dark. They went on to explain it this way. Imagine that the stars are arranged evenly on hollow spheres that surround Earth. Those stars that are on the closest sphere would appear bright to us. The ones on the sphere twice as far away would be four times dimmer, but there would be four times as many of them. On the sphere three times farther away there would be nine times more stars that appear nine times dimmer. Therefore, each sphere would contribute the same amount of light no matter how far away it was. The sky should always be bright because each star is a sun. We all know that this is not what we observe.

Back in 1826, Heinrich Olber tried to explain this contradiction of observation and theory. It is now called Olber’s Paradox in his honor.

If you are an Earth science teacher, you might want to present Olber’s Paradox to your classes and challenge them to find an answer. Follow the link above for a possible explanation.

1 Comments on Why Is the Sky Dark at Night?, last added: 11/21/2008
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48. Le Woo-hoo

An update for my recent post about NASA student ambassadors:

The 2009 Launch Conference for the International Year of Astronomy is in Paris. Student ambassadors from all over the world will be there, including two from the United States. There's a seminar on "The Question of Parallel Universes." And a live video conference with the South Pole Station. And a session with a Nobel prize winner in physics.

And my daughter is one of the two U.S. students invited to attend.

Geek out!

Here's the full schedule for the two-day event.

I asked her if there would be a cheesy but satisfying medal ceremony like at the end of the original Star Wars movie, and she laughed. But that's exactly how we both feel about it. Woo-hoo!!!

Below: Rebecca at age 8, having her birthday party at the Virginia Air and Space Center in Hampton, VA. (That's her in the center, of course.)

The press release:

NASA SELECTS ASTRONOMY STUDENT AMBASSADORS

WASHINGTON -- Forty-six undergraduate and graduate students have been
selected to represent NASA in their local communities as recipients
of the agency's International Year of Astronomy, or IYA, Student
Ambassadors Program.

Two of the students were chosen to attend the opening ceremonies of an
IYA event in Paris in January 2009. The students representing NASA at
the ceremonies are Rebecca Holmes, a sophomore at the University of
North Carolina Chapel Hill who is majoring in physics and astronomy,
and Norberto Gonzalez, a junior at the University of Puerto Rico at
Arecibo with a biology concentration.

The IYA Student Ambassadors Program is designed to encourage
undergraduate and graduate students to participate in IYA activities
and generate excitement about NASA's discoveries in astrophysics,
planetary science and solar physics within their local communities
and beyond. These students will serve as role models to others.

"NASA is a major partner in the United States' celebration of IYA
activities," said Hashima Hasan, NASA's Astrophysics education and
public outreach lead in Washington. "The Student Ambassadors Program
is just one of many activities the agency has planned throughout the
coming year."

The ambassadors were selected from more than 150 online applications.
Applicants must be U.S. citizens, full-time students and participate
in activities that align with NASA's IYA goals.

The National Space Grant Foundation manages the IYA Student
Ambassadors Program through a grant from NASA. For more information
about NASA's involvement and a list of student ambassadors, visit:

http://astronomy2009.nasa.gov

For more information about NASA and its programs, visit:

http://www.nasa.gov

13 Comments on Le Woo-hoo, last added: 11/20/2008
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49. What’s Special About Today?

Today is a special day; it is the Autumnal Equinox. Oh, it’s the day the fall season begins. For most people, it’s the day the sun rises due east and sets due west, and when the length of day and night are about equal. As long as you are not concerned with the finer details, this is pretty much true.
If you watched the news this morning, the weather person most likely said that fall begins today at 11:45 a.m. edt. Why is there a precise time, and how do they know that? Fall begins when the center of the sun crosses the celestial equator on its journey from the Northern to the Southern Hemisphere in the sky. The celestial equator is a projection of Earth’s equator into the sky. In addition, on this day the sun’s path lies directly along the Earth’s equator.

While fall begins here in the Northern Hemisphere, spring begins in the Southern Hemisphere. The seasons are reversed in the Southern Hemisphere.

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50. Apparently, I am 10 years old


Remember that Futurama episode where we first see the Professor's Smell-o-scope?

FRY: This is a great, as long as you don't make me smell Uranus. Heh heh.
LEELA: I don't get it.
PROFESSOR FARNSWORTH: I'm sorry, Fry, but astronomers renamed Uranus in 2620 to end that stupid joke once and for all.
FRY: Oh. What's it called now?
PROFESSOR FARNSWORTH: Urectum.

Anyway, Uranus is one of my nightmares as someone who works with children. I mean, witness the REAL conversation I had last year:

Little Boy: Do have a book called Exploring Uranus?
Me: Did your older brother put you up to this?!

Turns out, he had just read Exploring Jupiter and wanted the next book.

ANYWAY! Today, we got a book in called A Look at Uranus.

I keep giggling to myself. tee hee hee!

Yes, I am 10. Shut up.

1 Comments on Apparently, I am 10 years old, last added: 8/17/2008
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