Monday, October 12, 2009
Asteroid with water ice on the surface may be first
Asteroids are rocks. Comets are ice cubes. Right? Maybe not entirely. “Two independent teams have found what may be the first direct evidence of water ice on the surface of an asteroid.” (New Scientist) The discovery may help explain how Earth ended up with so much water, and ultimately life. Some suggest an awesome hail of comets, billions of years ago. Others experts say geologic processes may have played a key role. Now asteroids? Pound360 is betting on a combination of all three.
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- I started pound360 to channel my obsession with vitamins, running and the five senses. Eventually, I got bored focusing on all that stuff, so I came back from a one month hiatus in May of 2007 (one year after launching Pound360) and broadened my mumblings here to include all science.