06 Jul '11, 11pm

NASA Envisions Alien Worlds - Yahoo! News via @yahoosg

NASA Envisions Alien Worlds - Yahoo! News via @yahoosg

Fantastic Four Galaxies with Planet This artist's concept shows what the night sky might look like from a hypothetical planet around a star tossed out of an ongoing four-way collision between big galaxies (yellow blobs). NASA's Spitzer Space Telescope spotted this "quadruple merger" of galaxies within a larger cluster of galaxies located nearly 5 billion light-years away.Though the galaxies appear intact, gravitational disturbances have caused them to stretch and twist, flinging billions of stars into space, nearly three times as many stars as are in our Milky Way galaxy. The tossed stars are visible in the large plume emanating from the central, largest galaxy. If any of these stars have planets, their night skies would be filled with the monstrous merger, along with other galaxies in the cluster (smaller, bluish blobs).This cosmic smash-up is the largest known merger bet...

Full article: http://sg.news.yahoo.com/nasa-envisions-alien-worlds.html

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