PDA

View Full Version : New Analysis of Clay Deposits in Ancient Martian Lakes



Fraser
2012-Mar-15, 05:10 PM
Mars was once a much wetter world than it is now, with hot springs, rivers, lakes and perhaps even oceans. Just how wet exactly, and for how long, is still a subject of considerable debate. One vital clue comes from clay mineral deposits and sediments left over after the water disappeared, but still visible now. [...]

More... (http://www.universetoday.com/94170/new-analysis-of-clay-deposits-in-ancient-martian-lakes/)