vineri, 22 aprilie 2011

Dry ice find hints Mars was a wetter place: study

- WASHINGTON — NASA has discovered that the south pole of Mars is home to 30 times more dry ice than previously believed, suggesting that the red planet was once a much wetter place, said a study on Thursday. Full story:

* Sand dunes in Northern Mars changing: JPL... A BLUE SUNSET ON MARS (Video)... Mars Has Liquid Water Close to Surface, Study Hints... First Mars Landers Might Have Found Organic Material In 1976, and Destroyed It By Accident... Zooming in on Mars: New high-resolution images reveal Red Planet's stunning terrain... Secret Video Leaked / We Have Been To Mars... NASA - Planet Mars Stereo Virtual Fly-Through!... Water on Mars first discovered 10 years ago. Is it still there?... NASA: Evidence of life on Mars... Mars: Ice walls that show another side of the RedPlanet...Pravda: Stunning Images of Martian Surface...CNN: ‘Airplane view’ of Mars yields stunning images… CBS NEWS: Photos From Mars Orbiter Appear Abstract… We may know Mars as the Red Planet, but many of the HiRise images are studies in blue... MARS COLOSSAL PLANTS REVISITED… Buzz Aldrin stokes the mystery of the monolith on Mars… First direct evidence of lightning on Mars detected… Nat.Geographic: Liquid Water Recently Seen on Mars?… The Guardian: It’s snowing on Mars: