Thursday, November 26, 2009

New evidence for fossils in Martian meteorite and sending music to ETI

Happy Thanksgiving! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed - a finding that, if confirmed, may solve an astronomical mystery about how these cosmic misfits are formed. See article.
g Abodes - Compelling new data that chemical and fossil evidence of ancient microbial life on Mars was carried to Earth in a Martian meteorite is being elevated to a higher plane by the same NASA team which made the initial discovery 13 years ago. See article.
g Life - Scientists have revealed new information about a period of time spanning three of Earth's largest mass extinctions. The study shows how different marine environments - from oceans to seas that once covered large portions of the continents - respond differently to agents of mass extinction. See article.
g Message - Put yourself in the situation of the aliens, out there somewhere in the galaxy. They surmise that Earth looks promising for the emergence of intelligent life one day, but they have no idea when. There would be little point in beaming radio messages in this direction for eons in the vague hope that one day radio technology would be developed here and someone would decide to tune in, says one astrobiologist. See article. Note: this article is from 2004.
g Cosmicus - The U.S. Air Force has released new images of its experimental new X-37B space plane as the secretive mission's launch date next April draws near. See article.
g Aftermath - The structure of terrestrial music might provide clues to creating interstellar messages that could be understood by extraterrestrial intelligence, an American composer suggests. In the process, he suggests that music may provide a means of communicating "something of our consciousness that is essentially human, regardless of the civilization from which it emerges." See article. Note: This article is from 2002.

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