Today's date: 21 November 2009
This Week: Death of the mastadon
In the News: Antarctic ozone hole: 10th largest on record!
Coming Thursday: Return of the wild: Coyotes, bears and turkeys are back!
Archive for the ‘Origin and evolution of the universe’ Category
What we did on our summer vacation: Visit Mars! - Thursday, July 26th, 2007
It’s a boom time for studying Mars, and the perfect time for the be-all, end-all summer vacation. Ride a robot rover. Dune-buggy an unearthly dune field. Even meet-and-greet a real live Martian! All aboard for Mars!
Star-Burst Fills Empty Hole - Thursday, June 15th, 2006
Where did all the dust come from? If you are interested in the origin of planets and human beings, here’s evidence that a star explosion made mucho dust.
Astronomical Conundrum: Is this a Planet? - Thursday, February 2nd, 2006
Losing count: New study finds object larger than Pluto in the distant solar system. Do we now have 10 planets — or 8?
Saturn’s Secret: Lightning - Wednesday, December 22nd, 2004
Cassini finds lightning strikes on Saturn, haze on moon Titan, dust between the rings, and new rotation rate.
Planet Formation - Wednesday, November 24th, 2004
New view of crystals that form into planets in protoplanetary disks. Which came first, the planet or the crystals?
Amateur Astronomy: Big Contribution - Thursday, September 9th, 2004
Amateur astronomers watch variable stars, asteroids, comets — helping create a better picture of the universe.
Ancient Universe Seen - Thursday, March 11th, 2004
Astronomers have just seen galaxies from the first billion years of the universe. They are also racing to understand dark energy, the force that’s spreading the universe apart.
Saturn’s Ring Thing - Thursday, December 11th, 2003
Why don’t the rings of Saturn just disappear over millions of years. It’s the recycling, that’s why!
X-Ray Astronomy #2: It’s Results Time! - Thursday, September 5th, 2002
Chandra, the X-ray astronomy telescope, is three years old. We ogle some of its greatest hits. Caution: These bangs are BIG!
Cool Science Images
Virtual Science!
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