Thursday, November 05, 2009

New data about how rocky planets form and long delays in verifying possible ETI signals

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Abodes - On its final flyby of Mercury, NASA's Messenger spacecraft has captured images of never before seen regions of the planet. Messenger is providing new scientific findings about the closest planet to the sun, and teaching astrobiologists about how rocky planets form and evolve. See article.
g Intelligence - Claude Levi-Strauss, the French philosopher widely considered the father of modern anthropology because of his then-revolutionary conclusion that so-called primitive societies did not differ greatly intellectually from modern ones, died Friday at his home in Paris from natural causes. See article.
g Message - Most SETI programs scan the sky looking for strong radio signals. Any signals that are deemed interesting are put on a list for follow-up observations weeks, months — even years later. Long delays in verification of potential ET signals sometimes generate tantalizing, but ultimately frustrating, stories. See article. Note: This article is from 2003.
g Cosmicus - By travelling to the outer solar system, the two Voyager spacecraft allowed us to see amazing details of far-distant planets and moons. See article.
g Aftermath - Contrary to common expectations, evidence of extraterrestrials is likely bad (though valuable) news, one thinker on astrobiology says. In fact, the easier it was for life to evolve to our stage, the bleaker our future chances probably are. See article. Note: This article is from 1998.

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