jun 212012
Water Ice at the Moon’s South Pole

  Scientists map Shackleton crater, whose unusually bright floor may hint at the presence of ice. Shackleton is an impact crater at the south pole of the Moon, that may have water ice. The crater is more than 12 miles wide and two miles deep (21 km in diameter and 4.2 km deep).   If [continue reading]

jun 152012
Surprise: Tropical Lakes on Titan!

  NASA’s Cassini spacecraft has spied long-standing methane lakes, or puddles, in the “tropics” of Saturn’s moon Titan. One of the tropical lakes appears to be about half the size of Utah’s Great Salt Lake, with a depth of at least 3 feet (1 meter). Saturn’s rings lie in the distance as the Cassini spacecraft [continue reading]