Monday, February 28, 2011

Alternative chemistries for life and estimating the frequency for communicating with an extrasolar civilization

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 - Massive waves in giant magnetic holes on the surface of the Sun have been discovered for the first time by solar scientists, something that will bring experts a step closer to unlocking the secrets of the Sun. See article.
g Abodes - Geophysicists are offering a new explanation for seismic tremors accompanying volcanic eruptions that could advance forecasting of explosive eruptions such as recent events at Mount Pinatubo in the Philippines, Chaiten Volcano in Chile, and Mount St. Helens in Washington state. See article.
g Life - The claim of a microbe that swaps arsenic for phosphorus may be questionable, but alternative chemistries for life is still a question worth considering, say researchers. See article.
g Message - Estimating the frequency for communicating with an extrasolar civilization is a multi-dimensional challenge. The answer, according to two scientists at the Hungarian Astronomical Association, is less like an equation, and more like a matrix. See article.
g Cosmicus - The roster of competitors is set for the Google Lunar X Prize, a multimillion-dollar race to land a homemade robot on the moon. See article.

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