Tuesday, July 31, 2012

First exoplanetary system with regularly aligned orbits found and expanding SETI’s search methods

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 detected the first exoplanetary system with regularly aligned orbits similar to those in our solar system. See article.
g Life - Scientists have built a swimming, tissue-engineered "jellyfish" using silicon and muscle cells. See article.
g Message - The search for extraterrestrial intelligence (SETI) has traditionally hinged on detecting electromagnetic waves, most commonly radio waves but also infrared and x-ray radiation as well as optical pulses at specific frequencies. But in the absence of knowledge about the specific nature of extraterrestrial civilizations, we need to explore all sources of communication possible and not just ones based on electromagnetic waves. Thus the message we would send or receive could and should include everything from symbolic signals to actual physical samples of material signifying the presence of intelligent life. SETI is an endeavor fraught with such momentous potential significance that it would be foolish to hinge it on physics alone. We need to employ other sciences in its service. See article.

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