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WWW.GOODNEWS.WS Traces of Martian Life: the Search Continues
WWW.GOODNEWS.WS Traces of Martian Life: the Search Continues
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WWW.GOODNEWS.WS Traces of Martian Life: the Search Continues
Mars shows a variety of geological phenomena, like volcanism, polar caps, a transparent atmosphere and glaciers. These are shared only with Earth and make the Red Planet the most likely place to have developed forms of life.  Radar sounders aboard ESAs Mars Express and NASAs Mars Reconnaissance orbiters have already detected ice deposits deep underground. Now, after a ten-month journey, NASAs Phoenix lander will continue the search for water. Its objective is to land in a permafrost region near the north pole. Its suite of instruments will scan the atmosphere and a robotic arm will attempt to dig down to an ice-rich layer expected to lie at arms reach below the surface. But water is not the sole element that could have harboured life on the Red Planet: methane could also establish a link between life on Earth and Mars. Scientists have already found traces of methane in the atmosphere of Mars and are currently trying to work out exactly where the gas is coming from. On Earth, it is well known that the source of methane is mostly life. So, whilst orbiting spacecraft like Mars Express continue to harvest global views, in-situ observations on the martian surface like those of NASAs Phoenix lander and ESAs ExoMars mobile laboratory, due to launch in 2011, remain necessary. The critical entry, descent and landing phase of the Phoenix probe will, at NASAs request, be provided with support from ESA. WWW.GOODNEWS.WS Traces of Martian life: the search continues
Channel: metacafe
Category: Technology
Video Length: 319
Date Found: March 15, 2011
Date Produced: January 08, 2009
View Count: 0
 
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