Friday, December 10, 2010

Tree-like lifeforms on exoworlds and take astrobiology course for free

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 - Astronomers have traced the waxing and waning light of exploding stars more closely than ever before and seen patterns that aren't yet accounted for in our current understanding of how these eruptions occur. See article.
g Abodes - “Tree-like” lifeforms might be detectable even from across the vast spaces that separate us from planets in other solar systems, two scientists propose. See article.
g Message - Recent discussions within the SETI community have thoroughly explored the issue of whether people with access to radio telescopes should send powerful signals to alien civilizations without some process of prior international consultation. In particular, those exchanges have focused on the question of "Active SETI. See guest editorial.
g Cosmicus - Under just the right conditions - which involve an ultra-high-intensity laser beam and a two-mile-long particle accelerator - it could be possible to create something out of nothing, according to University of Michigan researchers. See article.
g Learning - With so much attention given to one problematic study this week, astrobiology is getting an awful lot of attention–and probably not the sort that astrobiologists would like. If you want to broaden your view of this intriguing area of research, get thee to Itunes! Lynn Rothschild teaches a class on astrobiology at Stanford, and the winter 2010 edition of the course is available for free on Itunes.

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