Friday, October 16, 2009

Earth’s early atmosphere and a homegrown SETI effort

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 - The atmosphere of the early Earth may have been filled with particulate haze, much like a smoggy day in Los Angeles. This hazy air would have affected the ancient climate and even may have influenced the origin and evolution of life. See article.
g Message - The search for extraterrestrial life need not be limited to the government or scientists. Don’t believe it? Then check out this Web site, “Amateur SETI: Project BAMBI (Bob and Mike’s Big Investment)”, which describes the design and construction of a 4 GHz amateur radio telescope dedicated to SETI.
g Cosmicus - With every spacecraft that leaves Earth, millions of microbes hitch a ride into space. As astrobiologists search for life in other worlds, preventing forward and back contamination remains a key priority. See article.
g Learning - Four high school students will have their heads in the clouds – and even higher – during an exclusive aerospace symposium in Ottawa this weekend. See article.
g Aftermath - Decades after Hollywood first made the leap between alien life and the threat of contamination, a scientist has issued a similar warning. U.S. Geological Survey geologist Jeffrey Kargel says convincing evidence uncovered by NASA's robotic rover Opportunity that water once flowed on Mars means scientists should proceed cautiously in bringing back potentially germ-laden samples of the Red Planet. See article. Note: This article is from 2004.

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