Tuesday, December 14, 2010

A solar system resembling our own and just what is ‘life’?

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 - Violent explosions on the sun erupt on a phenomenal scale – one that envelopes the entire star – and are linked by massive magnetic threads that stretch across hundreds of thousands of miles, a new study finds. See article.
g Abodes - An international team of astronomers has discovered and imaged a fourth giant planet outside our solar system, a discovery that further strengthens the remarkable resemblances between a distant planetary system and our own. See article.
g Life - In the wake of controversy over the possible discovery of arsenic-eating life recently — a finding that could expand the bounds of what scientists think life is capable of — a basic question perhaps deserves revisiting: Just what, exactly, is life? See article.
g Intelligence - The ability to tolerate aggression is partly genetic, UCLA life scientists report in the first study to demonstrate a genetic component to a social network trait in a non-human population. See article.
g Aftermath - Even if the public seems less than awestruck by the prospect that alien life is a bunch of microscopic bugs, astrobiologists say unequivocal discovery of microbial life beyond Earth will change human society in profound ways, some unfathomable today. See article. This article is from 2001.

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