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 earth system’ Category
Brit astronomers reveal sizzling cosmic tryst! - Thursday, August 27th, 2009
A planet newly found in the southern sky is perilously close to its star, orbiting in less than 1 Earth day. Within 10 years, this planet may force a new understanding of star-guts.
Year of astronomy: More reasons to love stars! - Sunday, January 25th, 2009
400 years ago, Galileo discovered the moons of Jupiter. We discover water from 11 billion years ago, volcanoes at Titan, a moon of Saturn, and good reasons to shun light pollution.
Looking anew at diamonds - Thursday, January 10th, 2008
New analysis uses light to distinguish one diamond from another. Technique may help jewelers, but won’t help the battle against the “conflict diamonds” that are fueling wars in Africa.
Tales from the solar system: Voyagers told ‘em best! - Thursday, September 6th, 2007
The Long Goodbye: 30 years after blast-off, two Voyager spaceships have reached the edge of the solar system. Meet the missions that revolutionized the study of planets and moons.
Super View of Supernova - Thursday, March 1st, 2007
After 20 years, star explosion reveals more secrets. What gives in these giant bangs?
Understanding Earthquakes! - Thursday, November 3rd, 2005
What are earthquakes? What new methods are used to view them? Are we any closer to accurate earthquake predictions?
Comet Collision: Close Encounters of the Cometary Kind - Thursday, July 28th, 2005
What can we learn from whacking comets, up close and personal? What do comets tell us about the early solar system? And what is the role of comets in history?
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?
Lunar Eclipse - Thursday, May 15th, 2003
Lunar eclipses are fleeting events, but their history goes deep. And what’s what with that reddish hue?
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