Is There Life On Mars?

Posted February 9, 2012 by Johnny2x in Entertainment

David Bowie has been asking.

There might be flowing water so there is a chance.

Dramatic images of dried-up floodplains and apparent riverbeds have most astronomers convinced that liquid water once gushed on Mars, perhaps supporting ancient life. But last summer NASA astronomers announced that water may still be flowing on the Red Planet.

The evidence comes from the Mars Reconnaissance Orbiter, which captured images of thin, dark streaks—quite likely soil—creeping down several slopes during Mars’s spring and summer (see sequence at right). Dry soil should not move that way, so a team led by Alfred McEwen, principal investigator for the probe’s camera, proposed that liquid water carried the soil downhill. In the journal Science, the scientists noted that water could flow sluggishly just beneath the surface and remain liquid owing to high concentrations of salt, which acts as antifreeze. The orbiter continues to scan for clues; later this year NASA’s Curiosity rover will begin studying Martian surface chemistry up close.

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Johnny2x

John created the HowsYourRobot.com just because he cares about each and everyone of you. He likes science, technology, movies, and music. He also likes long walks in the park but only at night and in most dangerous park he can find AND he discovered the internet while playing in his back yard as a child. Some of this is true and some of it is not.

 
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