Category Archives: Armchair Astrophysics

Beginnings of a solar system magnum opus

We’ve had a concert here all morning yesterday. It featured extended thoughts about all the planets in our solar system, but we had to listen to it through the bedroom door. Somebody gets self-conscious while performing in front of his parents.

I did manage to get him to tell me some of the words, which I wrote down:

“Song about Jupiter with Clouds… about Jupiter”*

One little place with a Halloween cloud
It’s a place with the place with a birth it’s Jupiter
Boing ba ba boing ba ba boing boing boing

It’s the place with the clouds that will make you look scary
Make you look scary make you look like a berry
Boing ba ba boing ba ba boing boing boing

“Earth Song”
http://vimeo.com/moogaloop.swf?clip_id=3231678&server=vimeo.com&show_title=1&show_byline=1&show_portrait=1&color=00ADEF&fullscreen=1
Earth song from Tracy on Vimeo.

(He’s been singing this for days, although I had no idea until today that it was supposed to be about Earth. How unsettling.)

*Copyright Declan 2009

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Some advice for you

While on our way out to watch some ice melt in the woods, the boy graced us with the following wisdom:

“If Illinois is empty, try the universe.”

Once again, I don’t know what he meant by it or even why he said it, but I’m pretty sure it’s true.
Have a happy Sunday.

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The universe doesn’t revolve around you

399 years ago today, Galileo Galilei was looking through his telescope when he took note of two starry objects next to Jupiter. The next night, he noticed that they moved strangely, so he kept his lens trained on the giant planet for several days. He saw that there were actually four of these bodies in motion, and came to the realization that they were orbiting around Jupiter.

This was humanity’s most compelling evidence that Copernicus was right. Jupiter does not revolve around us. The sun does not revolve around us. The universe does not revolve around us. I’m not sure that we’re grounded in these facts yet, nearly 400 years later.

You can’t mark this occasion by looking at Jupiter tonight, unless you live on the other side of the sun. But the moon will be crossing the Pleiades at sunset, which, my son informed me last night, is my “favorite cluster.” Then he had plastic mommy drive plastic him in a plastic car to “the observatory” to look through telescopes.

The Galilean moons of Jupiter (pictured): Io, Europa, Ganymede, Callisto.

P.S. These moons are not finished messing with our overdeveloped sense of importance yet. There is evidence of saltwater on three of them, and of large oceans on Europa. That could mean life off of our planet in our own solar system. Read more.

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The Carnival of Space #81

Happy Thanksgiving and welcome to the Carnival of Space!

It’s fitting that Tiny Mantras was given the chance to host this weekly collection of cosmological articles on this holiday, because I am definitely thankful for the wealth of astronomy blogs and sites out there. You see, you’ve reached what some would call a “mommy blog,” but one in which I do a lot of reflecting on how to keep up with and nurture my son’s intense passion for space and other scientific interests. Between this carnival and the blogs in my reader, we always have something new to talk about.

I am also thankful to him for requiring that I learn so much about space every day. When you get into this parenting gig, you expect some profound and life-changing experiences, but inspiring me to learn vastly more about my place in the universe wasn’t one I saw coming. It is an awesome gift.

To start the holiday shopping season, I put together a round-up of my favorite space books for kids (the ones we actually read over and over). What’s Up Astronomy is also ready to help you get in gear with ten tips for buying a telescope.

Now on to the reason most of you are here – gobs of great new posts about space:

From Collect Space, a video of Dr. Don Petit as he demonstrates how to improve the coffee drinking experience in a weightless environment.

Alan Dyer was in the hot seat last week, handling news media calls about about the big meteor that exploded over western Canada on November 20: Tracking the Big Fall.

News and photos from the current space shuttle mission, STS-126, courtesy of Universe Today’s Nancy Atkinson.

Mars has large, buried glaciers near its equator, detected by the Mars Reconnaissance Orbiter Spacecraft this week. (The Meridiani Journal)

Phoenix Pictures Gallery heralds the beauty of NASA technology in “The Day I Met Phoenix.

For the first time this week, it was reported that carbon dioxide has been detected in the atmosphere of a planet orbiting another star.

With Barack Obama announcing new cabinet and staff appointments daily, several folks are weighing in on the future of U.S. space policy. Phil Plait of Bad Astronomy makes a case for the funding for NASA, as well as its need for greater oversight.

At Music of the Spheres, FlyingSinger shares a letter he sent to Obama’s transition team (via change.gov) about the future of NASA and private space ventures.

The Moon is Not Enough! says Bruce Cordell of 21st Century Waves, as he considers the strengths and potential pitfalls of The Planetary Society’s road map for space exploration in the 21st century.

Ian O’Neill of astroEngine ponders the reasons that so many robotic missions into space are constructed around the search for life, and whether or not they are worth the effort.

Ethan Siegel of Starts With a Bang poses the question “what happens when we move at the speed of light?” He warns that it “isn’t pretty.”

At Centauri Dreams, two stories look at recent findings of strong cosmic ray sources, an anomalous situation since it has been assumed until recently that cosmic rays arrived at the Earth without any clear direction of origin. Are there astrophysical objects near the Earth that are accelerating these particles, or is this evidence for dark matter? The jury is out, but the data keeps coming in.

At Colony Worlds, “Uranus: One Planetary System to Fuel Them All?” posits that though the blueish-green giant may lack large lunar children like Titan and Triton (not to mention a set of dazzling rings), Uranus may be the key that enables humanity to not only conquer the outer limits of our own solar system, but perhaps enable us to reach the next one as well.

If measures are not taken to address the effects of the greenhouse gases produced by our civilization, extreme climate changes will occur: droughts, heat waves, and floods. Understanding the behavior of greenhouse gases is critical for developing effective measures to fight climate change. The Greenhouse Gases Observing Satellite (GOSAT) is the first satellite to observe greenhouse gases from space. Check out GOSAT a.k.a. IBUKI Scheduled for Launch at OrbitalHub.

Sean Welton explains why Saturn’s rings will look closed from Earth’s vantage point by the end of the year at Visual Astronomy.

Amanda Bauer of Astropixie describes those two bright lights currently shining in the westerly evening sky: Venus and Jupiter. They are approaching each other quickly this week as they move in opposite directions along the ecliptic. My Dark Sky also has a post about this pair, and how to get the most out of looking at them.

Looking for stars that host exoplanets can be a pain, says Ian Musgrave
n> of Astroblog, but two of the most recent stars hosting exoplanets can be easily seen from your backyard.

Form the annals of space history, Altair VI’s David Portree has written a two-part post about Philip Bono’s 1960 plans for a delta-winged glider that could make it to Mars, replete with scans of several of Bono’s original drawings.

At One Astronomer’s Noise, Nicole looks at evidence of an ancient asteroid impact near present-day New York City.

The Space Video of the Week looks at how a very old technology – balloons – is being used to accomplish space science.

From A Babe in the Universe: On November 20, 1998 the first module of the International Space Station was orbited. Read about the tenth anniversary/ISS Birthday Party at Space Center Houston.

On the lighter side, when marketers get involved with astronomy the results can be a bit strange, see Tipsy Orion.

Finally, at the Planetary Society, read Solar Conjunction: Holiday for Mars Missions, and an Opportunity Update.

If you’re interested in perusing the archives of the Carnival of Space, submitting something for a future carnival or hosting it yourself, you can find all of the details at Universe Today.

Well that was intimidating, but fun. If you catch any errors, let me know and I will fix them pronto. Thanks to Fraser for letting me host this week.

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Space books that we love (for children… mostly)

One of the nice things about having a child fixated on space is that it’s an easy obsession to feed. The discount shelves of most bookstore chains are loaded with gorgeous picture books full of astronomical phenomena, courtesy of Hubble and other high-powered telescopes.

A few fellow parents hoping to foster or develop their child’s interest in space have asked me for book recommendations. We’ve checked dozens out of the library and received several as gifts, but there are only a handful that I would heartily recommend.

Rhyming & scientifically accurate books
There are still certain facts and concepts that I remember vividly simply because I learned a rhyme or poem or song about them when I was a child. I think these are handy and fun introductory books for kids, but I learned quite a few things from them too:

Comets, Stars, the Moon, and Mars: Space Poems and Paintings
“The Universe is every place,
including all the e m p t y space…”

I love the images in this book, as well as the rhymes that describe some characteristics of each planet, black holes, galaxies and more. You can crack the book open to one page and get your fill of Saturn and a few of its moons, or read the whole thing in one setting.

Planets: A Solar System Stickerbook
“First comes Mercury, catching sun’s rays/It has hot, hot nights and cold, cold days.”

A quick read with graduated pages that take you, in quick two-line rhymes, from the sun out to Pluto. This book and Goodnight, Moon were the first two books that my son memorized. He hasn’t forgotten that Mercury is both burning and fridgid, or that Uranus is lopsided.

There’s No Place Like Space: All About Our Solar System
“On Venus the weather is always the same/Hot dry and windy with no chance of rain.”

I don’t find the Seuss Learning Library books nearly as charming as any of the things written by their namesake. Still, this is a decent volume, written in highly Seuss-ian rhyme.

Fantasy/adventure space books
There is plenty of allure in the danger and mystery of the exotic locales that space has to offer, but I think that the latitude to imagine the completely off-the-wall is important too. Just look at your flip phone and consider how much Star Trek has influenced real science. I expect (and hope) that this list will grow substantially over time.

Space Boy
This is the story of Nicholas, who climbs into a his backyard rocket ship and takes a trip to the moon to get away from all of the noise in his house (because there is no noise in space). It’s a sweet and simple story, with bonus zero-gravity tomato slices.

Moongirl: The Collector’s Edition Book and DVD Gift Set
If you like collecting fireflies, and think that it makes perfect sense that children, romance and amusement park rides, not some man or dairy product, are responsible for the moon’s glow, then I can’t recommend this enough. The book, and the brief animated version of the story on the DVD (it’s under five minutes long), are both quality.

Books we want
There are a couple of new
titles that I’m really looking forward to reading, but that we might enjoy more once my boy is able to sit still a bit longer.

Icarus at the Edge of Time
We really love Brian Greene around here. For several months, his NOVA – The Elegant Universe was our Sesame Street. So I’m thrilled that he’s decided to recast the myth of Icarus as as a trip to a black hole in this giant board book. Just remember: when you’ve crossed the event horizon, there is no going back!

George’s Secret Key to the Universe
We haven’t graduated to chapter books yet, but when we do, this one, penned by scientist Stephen Hawking and his daughter Lucy, will be at the top of my list. Apparently, the bones of the story are deeper concepts of physics and time, wrapped in an adventure’s skin.

For more technical scientific information, including great photos, illustrations and conceptual explanations, I can’t recommend the various DK Books about Astronomy and the Universe enough, but they’re a pretty dry read on their own. Periodically, you can find one that has suggestions for cool, hands-on experiments, like reproducing the stormy clouds of Jupiter with food coloring and milk.

Happy space reading! If you have a book that you and/or your kids love about space, please tell me about it in the comments.

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Mantras

“The darkness doesn’t hurt anybody. It’s just a little bit famous.”

“I want to dance in Saturn’s rings.”

“Don’t forget to focus!”

“You are the dark side of the moon.”

“You are just a clock.”

“You are a scientific FACT.”

“Silly makes you a man.”

“I was born in the bulge.”

“I’m having a metamorphosis!”

“I am terrible of the dark.”

“I am just trying to get to the end of the dark.”

“Earth is a good boy.”

“Jupiter doesn’t make any sense.”

“Your hair is like a book.”

“I’m the human that was born in the puzzle of modern physics.”

“If you have a problem, you can talk to me. If you have a bigger problem, talk to the tree.”

“Saturn has rings.”

“Galaxies fade away, all stars merge.”

“Just the right speed, just the right angle!”

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Because motherhood has made me a nerd…

This video was going around the geekosphere a few weeks ago, but it’s appropriate today, since they’ve officially hit the switch on the Large Hadron Collider. I understand (because I have to be told) that the science in the rap is good for anyone who wants to try and understand what it is exactly that the LHC does.

[youtube=http://www.youtube.com/watch?v=j50ZssEojtM]

The site that answers the question, “Has the Large Hadron Collider Destroyed the World Yet?” has been getting all the play, but the live-blogging of the opening events at Cosmic Variance is more informative.

In other nerd news, Bad Astronomer Phil Plait put out a great digest of Barack Obama’s science policy that I think you should read. This is one critical area that Hillary Clinton covered well during the primaries, that I felt Obama did not. I’m happy to see that he’s adopted most of what I liked about her platform, and then some. Yay!

P.S. Yo, America – let’s call a moratorium on thinking about, discussing or otherwise considering animals wearing make-up, okay? All of these euphemisms are making the presidential election seem like a Fellini film.

P.P.S. John McCain, you ought to be ashamed of yourself. I mean, really.

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Tiptoeing through the solar system

Some parents I know risk their feet and balance daily to toy cars, Barbie dolls or little plastic animals. In our house, it’s the Solar System – a collection that’s been growing for well over the past year and a half.

I try to get Declan help me to put all of them away in bins every night – inevitably making the floor a blank canvas for him to lay solar systems all around the room the next morning.

We’ve gone through periods of obsession with particular planets, and he’s long since rejected soft blankies with dogs on them in favor of shimmery fabrics from the craft store that he calls “the fabric of space and time.” He might be astrophysicist Brian Greene’s youngest groupie.

I replaced one of the shades on my back car window with window clings of the planets last year. And there’s nary a spherical object in our home that hasn’t, at some point, been substituted as a planet, moon or star.
The first acquisitions were paper and cardboard planets. One system went on the wall on his second birthday, but it only stayed there for a couple of weeks while he memorized their order. He learned their names when he was about 20 months old, during a watershed language-accumulating phase – one week colors, the next week shapes, then numbers and then planets – at his insistence.

Ever since, he’s wanted to hold his planets, to lay them out on the floor in order, to whoosh them past his face, one by one. The glow in the dark asteroids are used to make the asteroid belt sometimes. Other times he’s made it with a bunch of crumpled scraps of paper.
These are from a lunchbox full of small & mostly handmade things, there are dried balls of Play-doh that he made and Fimo shapes we made together (the flat sparkly one is Andromeda galaxy). There are also eight big marbles that his dad got for him, which Declan promptly gave planetary names.
This week’s most popular solar system is made up of balls from around the house. There are 10 because this collection includes Pluto and Charon, its moon. (I’m never sure which planet’s moons are going to make it into the mix.)
This is a nesting toy that readily became the outer planets – Jupiter, Saturn, Uranus, Neptune and missing Pluto (which has rolled somewhere else in the house).
We have a couple of different solar system floor puzzles (gifts) that he loves and has started to mess up and reassemble without my help in the last couple of weeks. And the last page of this Teddy Bear book (based on the jump-rope rhyme) has nine bears, which he renamed as the planets (again, Pluto included) several months ago.
These bath letters represent the solar system and more, straight out of the Interactive Universe web site he loves – they are (counter clockwise): Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Hale-Bopp comet, Haley’s Comet, Helix Nebula (subbed the backwards 2 because we didn’t have another H), Orion nebula, Proxima Centauri (the nearest star to us after the sun), Black Hole, Milky Way (Y, because we only had two Ms) and Andromeda Galaxy.
Recently, all of this playroom space travel started to develop into a deeper appreciation for Earth – its oceans and continents, its gravity, all of the unique ingredients it possesses that made us possible.

Because he insists that we continually remain on this galactic ride, that new appreciation for the earth, our place in the universe is all of ours, not just his.

—–
Also see Jupiter in its earthly incarnations.

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Dancing in the rings

Sleep was interrupted for a long while in the wee hours of this morning, when Dec woke up weepy.

“I want to dance in Saturn’s rings,” he cried. “I do want to do that. I want to twirl.”

He had little to say beyond this, his mantra. He was only momentarily hysterical about it… mostly just teary, sighing, longing.

“You can,” I kept whispering to him, brushing his forehead. “Just close your eyes and go back there.”

He woke up this morning still thinking about it. Still wishing for it.

“I want to dance in Saturn’s rings,” he told me again, first thing.

“Were you dreaming that you were dancing on Saturn’s rings?” I asked him.

“No mommy. Not on the rings, in Saturn’s rings. All around the chunks of ice.”

“You were floating and twirling through sparkly chunks of ice?”

“I was. I want to.”

Around here, dreams can be strangely, scientifically accurate.

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