Thursday, June 02, 2011

An argument against the Fermi Paradox and recollections of a planet-hunting pioneer

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Life - A new study reveals bacterial genes that influence sulfur gas flux from seawater. The research could have implications for understanding the role of ocean bacteria in cloud formation. See article.
g Message - The assertion that extraterrestrial intelligences do not exist, based on the apparent contradictions inherent in the Fermi Paradox, rests upon an unproven and untenable presumption: That ETI are not now present in the Solar System. The current observational status of the Solar System is insufficient to support the assumption that ETI are not here. Most advanced civilizations also would be either invisible or unrecognizable using current human observational methods, so millions of advanced societies may exist and still not be directly detectable by us. Thus the Fermi Paradox cannot logically be raised as an objection to the existence of ETI until these major observational deficiencies have been corrected. See article.
g Cosmicus - Astronomers have found hundreds of planets orbiting far-distant stars, but the road to discovery has been rough, and often led to dead-ends. Geoff Marcy, a planet-hunting pioneer, stomped a few miles down this road at a recent exoplanet symposium. See article.

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