Tuesday, August 04, 2009

When our sun becomes a red giant and nickel’s role in life’s origin

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - Roughly 5 billion years from now, the Sun will begin to swell as a red giant. But life on Earth will feel the effects of an aging Sun long before then. What can we do to survive? See article.
g Abodes - Nickel, an important trace nutrient for the single cell organisms that produce methane, may be a useful isotopic marker to pinpoint the past origins of these methanogenic microbes. See article.
g Cosmicus - Comments are being solicited from members of the astrobiology community on the following paper(s) that will be submitted to the 2009-2011 Planetary Science Decadal Survey. Papers will be revised based on community feedback. Additonal papers will be posted as they become available. See article.
g Aftermath - At the 2004 Astrobiology Science Conference, Vatican astronomer Dr. Guy Consolmagno discussed his research as curator of one of the world's largest meteorite collections – and how first contact with ETI would affect the world’s religions.

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