"The
Earth tide is a little-known daily event, similar to the oceans' more familiar tides. But the sun and moon's gravity doesn’t just pull on water, it deforms the Earth itself, causing the ground beneath us to bulge toward the pulling heavenly body."
[more inside]
posted by Paragon
on Mar 10, 2011 -
12 comments
The Carnegie Institution for Science reports "a much higher water content in the Moon’s interior than previous studies." For decades, the moon's water content was estimated at less than 1 part per billion; the new estimates range from 64 ppb to 5 parts per million. A scientist at Washington University said, "We can now finally begin to consider the implications—and the origin—of water in the interior of the Moon.”
There's more at
NASA and the
BBC, and the full paper is available at
PNAS (PDF).
posted by Stan Carey
on Jun 15, 2010 -
21 comments
Unidentified Titan Object Saturn's moon Titan shows an unusual bright spot that has scientists mystified. The spot, approximately the size and shape of West Virginia, is just southeast of the bright region called Xanadu and is visible to multiple instruments on the Cassini spacecraft.
posted by Diamornte
on May 25, 2005 -
32 comments
