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Angela W

Destruction of Desert - 0 views

library.thinkquest.org/...impact.desert.html

biomes desert destruction

shared by Angela W on 14 Nov 12 - No Cached
  • Angela W on 14 Nov 12
     
    This website gives lots of info on the desert and how it is being impacted.
zach m

Mars meteorite 'Black Beauty' contains most water of any found on Earth, say scientists... - 0 views

www.guardian.co.uk/...s-meteor-water-sahara-analysis

shared by zach m on 08 Jan 13 - No Cached
  • a coal-coloured rock from Mars that landed in the Sahara desert.
  • A year-long analysis revealed it is quite different from other Martian meteorites: not only is it older than most, it also contains more water.
  • The baseball-size meteorite, estimated to be 2bn years old, is strikingly similar to the volcanic rocks examined by the Nasa rovers Spirit and Opportunity on the Martian surface.
  • ...2 more annotations...
  • Carl Agee, director of the Institute of Meteoritics and curator at the University of New Mexico who led the study
  • About 65 Martian rocks have been recovered on Earth, mostly in Antarctica or the Sahara. The oldest dates back 4.5bn years to a time when Mars was warmer and wetter. About half a dozen Martian meteorites are 1.3bn years old and the rest are 600m years or younger.
  • zach m on 08 Jan 13
     
    this page shows a discovery that a mars rock has more water than any rock on earth.
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