Thursday, February 04, 2010

Small gas giants predominate (for now) and is bioastronomy real science?

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - For decades, the conventional wisdom on M dwarfs and habitable planets was “forget it.” See article. Note: This article is from 2005.
g Abodes - The extrasolar worlds discovered so far are all super-size (after all, that’s what the Doppler wobble technique is best at finding). However, if you sort out these giant planets into bins, you find that the somewhat smaller ones greatly outnumber the bigger guys. See article. Note: This article is from 2002.
g Life - A 60-million-year-old relative of crocodiles described recently by University of Florida researchers in the Journal of Vertebrate Paleontology was likely a food source for Titanoboa, the largest snake the world has ever known. See article.
g Message - What technological manifestations would make an advanced extraterrestrial civilization detectable? See article. Note: This paper was written in 1992.
g Cosmicus - International experts converged on Mexico City this month to discuss the best way to establish a global detection and warning network to monitor potential asteroid threats to all life on Earth. See article.
g Learning - Bioastronomy. Its a nifty word, but is bioastronomy an enthusiastic amalgam of biology and astronomy real science? See article. Note: This article is from 2002.
g Aftermath - If some day we detect a radio signal from a distant civilization, we’ll have to make some adjustments in the way we view ourselves. After millennia of knowing of no other intelligence in the universe than humankind, we could face a considerable challenge to our terrestrial egotism. In the process, will we simply gain a little healthy humility about our place in the universe? Or would it be downright humiliating to compare our own meager accomplishments with those of more advanced extraterrestrials? See article. Note: This article is from 2000.

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