Tuesday, March 2, 2010
Monday, March 1, 2010
WNYC - Radiolab » Lucy
via blogs.wnyc.org
the whole series is amazing but this show rocked by sunday morning.
Dark matter could meet its nemesis on Earth - space - 01 March 2010 - New Scientist
via newscientist.com
The key is to cancel out the acceleration of Earth's rotation, its orbit round the sun, and the orbit of the sun round the galactic centre. The basic idea was first proposed in 2007, when Alex Ignatiev calculated that the accelerations all cancel out for a millisecond at two particular points on Earth's surface, twice a year. That makes the experiment possible in theory, but not feasible.
Saturn’s Most Habitable Moon Offers Ice, Water, Killer Views | Wired Science
This raw image of the icy crust of Enceladus shows the ridges and valleys that cover the moon%u2019s surface. The grooves are typically a few hundred meters wide, but some rifts can be 125 miles long, up to 6 miles wide and more than half a mile deep.
Because grooved areas such as in the photo above often have no impact craters, they must be younger than 100 million years and suggest that active tectonics has formed the moon%u2019s crust, similar to the tectonic plate motion that shapes Earth%u2019s crust.
Image: NASA/JPL/CICLOPS
via wired.com
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