Saturday, March 20, 2010

Titan’s liquid cycles and what alien astronomers would know about is if they had the Hubble

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 - Astronomers have come across what appear to be two of the earliest and most primitive supermassive black holes known. The discovery, based largely on observations from NASA’s Spitzer Space Telescope, will provide a better understanding of the roots of our universe, and how the very first black holes, galaxies and stars all came to be. See article.
g Abodes - On Saturn’s giant moon Titan, it is so cold that water is frozen as hard as granite. And yet there is a complete liquid cycle of methane and ethane. Scientists wonder whether there could also be life. See article.
g Message - If alien astronomers from a nearby star system pointed their version of the Hubble Space Telescope at Earth, astronomer Markus Landgraf believes they would not see our planet but they would find hints of our presence. See article. Note: This article is from 2002.
g Cosmicus - Using images taken by NASA's Lunar Reconnaissance Orbiter, the exact location of the Russian lunar rover, Lunokhod 2, has been identified on the Moon. The rover was the second of two unmanned Soviet rovers, and was lost on the Moon over 30 years ago. See article.

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