[space] The Hunt for Extraterrestrial Life Gets Weird‘For instance, Leitner said, we can send rovers to Mars carrying antibodies that detect traces of chemicals and bacteria that would indicate life. But because we can only make antibodies to known substances, this method will be limited to finding Earth-like life. “When we try to find a definition for life, in most cases, such a definition is more a summary of the specific properties of terrestrial life,” Leitner said. Because life on Earth requires water, most of the search for extraterrestrial life thus far has focused on the “habitable zone,” or the relatively narrow region around a star where liquid water could exist.’

Wired: The Hunt for Extraterrestrial Life Gets Weird

This entry was posted on Thursday, September 24th, 2009 at 9:12 am and is filed under Science, Space.

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