Saturday, June 09, 2012

Geoff Marcy now heading SETI and more hydrogen gas in universe than expected

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 - A new study shows that there is more hydrogen gas in the universe than previously thought. See article.
g Abodes - A new study shows that when life began on Earth, iron may have helped RNA assume the molecular shapes necessary for biology. Today, this role is played by magnesium See article.
g Message - Geoff Marcy has spent the better part of his career peering into the depths of space in the search for exoplanets and brown dwarfs. His pioneering work has resulted in the discovery of over 110 planets outside of our own solar system - including the first system of planets orbiting a distant star. But now, Marcy has decided to shift his focus and direct his efforts at detecting something just a bit more elusive: extraterrestrial intelligence. See article.

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