Saturday, October 03, 2009

New insights on finding fossils in Martian rocks and evolution of habitable planets

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Abodes - Astronomers have explored one of the most compact dust disks ever resolved around another star, where an inner disk is accompanied by an outer disk. The finding may be an example of a young planetary system just entering the last phase of planet formation and could teach us about the evolution and formation of habitable planets. See article.
g Life - New research on ancient fossils also may offer insight into finding signs of life in Martian rocks. See article.
g Message - If we received a message from an extraterrestrial civilization, would we necessarily realize it? SETI has long scanned the skies for evidence of alien transmissions, while others have proposed a hunt for physical artifacts sent by our distant neighbors. But neutrino physicists at the University of Hawaii have proposed yet another possibility: that humans have already received an extraterrestrial communication, and that we might find the message in our existing observations of the stars. See article.
g Cosmicus - The goal of NASA's Exobiology program is to understand the origin, evolution, and distribution of life in the universe. See paper.

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