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View Full Version : Is Life the Rule or the Exception?



Fraser
2005-Sep-12, 03:25 AM
SUMMARY: Some scientists have theorized that life on Earth began when amino acids, the building blocks of life, were delivered from space by comets and asteroids. The European Space Agency is planning two missions to help gather more evidence. Rosetta, due for launch in 2003, will study the composition of gas and dust released from a comet to sense what kinds of organic molecules they contain, while Herschel, due for launch in 2007 will focus on the chemistry of interstellar space, searching for traces of the material in distant clouds of dust.

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