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Rogue Planets Could Form On Their Own in Interstellar Space
Astronomers have found that tiny, round, dark clouds called globulettes have the right characteristics to form free-floating planets. The graph shows the spectrum of one of the globulettes taken at the 20-metre telescope at Onsala Space Observatory. Radio waves from molecules of carbon monoxide (13CO) give information on the mass and structure of these clouds. ESO/M. Mäkelä.
Free-floating rogue planets are intriguing objects. These planet-sized bodies adrift in interstellar space were predicted to exist in 1998, and since 2011 several orphan worlds have finally been detected. The leading theory on how these nomadic planets came to exist is that they were they ejected from their parent star system. But new research shows that there are places in interstellar space that might have the right conditions to form planets — with no parent star required.
Astronomers from Sweden and Finland have found tiny, round, cold clouds in space that may allow planets to form within, all on their own. In a sense, planets could be born free.
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Read the rest of Rogue Planets Could Form On Their Own in Interstellar Space (664 words)
© nancy for Universe Today, 2013. |
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Source: http://www.universetoday.com/104210/rogue-planets-could-form-on-their-own-in-interstellar-space/
