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Old 09-21-2014, 03:07 PM   #1
Jim Colyer
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Finding Life Beyond Earth

http://www.youtube.com/watch?v=OYXUWJ0_ncw

Scientists search the solar system for places where life might exist. Mercury and Venus are too hostile. Mercury is basically a ball of iron, the core of a planet. The three ingredients making life possible on Earth are energy from the sun, water and organic compounds (those containing carbon, oxygen, hydrogen and nitrogen). Planet formation is discussed, and the possible role of comets. Comets contain amino acids, the seeds of life. It is believed that water once flowed on Mars, and one guy calls Mars an ice cube covered with dirt. These people desperately want to find extraterrestrial life while Curiosity roams Mars looking for organic molecules. Further out, it is hinted that Jupiter's moon Europa may harbor life in oceans beneath its ice. Finally, it is suggested that Saturn's moons Enceladus and Titan may have internal energy sources. Titan has lakes of liquid methane, and astrobiologists wonder whether different kinds of life might form in liquids other than water. Planet-hunter Geoff Marcy closes the show. From TV's Nova.
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Old 09-22-2014, 12:40 PM   #2
Mardy
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I think Earth might be the planet we are looking for
it has atmosphere, water, hell it even has life
they should look into it
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Old 09-22-2014, 12:41 PM   #3
Mardy
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if it turns out I'm right they should name earth....

PLANET NUMBER ONE
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Old 09-24-2014, 10:46 PM   #4
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The Earth is the best of the best Panets
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Old 09-24-2014, 10:50 PM   #5
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The optimist Leibniz agreed with you; which Voltaire ridiculed astutely in Candide, ou L'Optimisme.
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