NASA has recently discovered a very strange planet. Its days are twice as long as its years. It has a tail like a comet. It is hot enough to melt lead, yet capped by deposits of ice. And to top it all ...
Feb 11, 2013
4.7 / 5 (31)
8
|
Researchers from Royal Holloway, University of London have discovered that ice retreated completely through the glaciations.
Aug 06, 2012
5 / 5 (3)
0
A newly released image from ESA's Mars Express shows the north pole of Mars during the red planet's summer solstice. All the carbon dioxide ice has gone, leaving just a bright cap of water ice.
Aug 05, 2011
4.5 / 5 (8)
0
Four billion years ago, our then stripling sun radiated only 70 to 75 percent as much energy as it does today. Other things on Earth being equal, with so little energy reaching the planet's surface, all water ...
Apr 06, 2010
4.8 / 5 (12)
5
|
