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100,000 Galaxies, and No Obvious Signs of Life

Monday, April 20, 2015 9:12

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False-color image of the mid-infrared emission from the Great Galaxy in Andromeda, as seen by Nasa’s WISE space telescope. Credit: NASA/JPL-Caltech/WISE Team

Beam us up, Scotty. There’s no signs of intelligent life out there. At least, no obvious signs, according to a recent survey performed by researchers at Penn State University. After reviewing data taken by the NASA Wide-field Infrared Survey Explorer (WISE) space telescope of over 100,000 galaxies, there appears to be little evidence that advanced, spacefaring civilizations exist in any of them.

First deployed in 2009, the WISE mission has been able to identify thousands of asteroids in our solar system and previously undiscovered star clusters in our galaxy. However, Jason T. Wright, an assistant professor of astronomy and astrophysics at the Center for Exoplanets and Habitable Worlds at Penn State University, conceived of and initiated a new field of research – using the infrared data to assist in the search for signs of extra-terrestrial civilizations.

And while their first look did not yield much in the way of results, it is an exciting new area of research and provides some very useful information on one of the greatest questions ever asked: are we alone in the universe?

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© mwill for Universe Today, 2015. |
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Post tags: alien civilization, Dyson Sphere, Extra-Terrestrial Life, Freeman Dyson, galaxies, Herschel space observatory, infrared radiation, infrared wavelengths, JPL, Kardashev Scale, NASA, Nikolai Kardashev, Space Telescopes, Spitzer Space Telescope, WISE

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Source: http://www.universetoday.com/119931/100000-galaxies-and-no-obvious-signs-of-life/

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