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News Release Archive:

News Release 32 of 213

January 11, 2012 01:15 PM (EST)

News Release Number: STScI-2012-07

The Milky Way Contains at Least 100 Billion Planets According to Survey

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Image: Planets Everywhere

Planets EverywhereSTScI-PRC2012-07 Artist's Concept

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ABOUT THIS IMAGE:

This artist's illustration gives an impression of how common planets are around the stars in the Milky Way. The planets, their orbits, and their host stars are all vastly magnified compared to their real separations. A six-year search that surveyed millions of stars using the microlensing technique concluded that planets around stars are the rule rather than the exception. The average number of planets per star is greater than one.

Image Type: Artwork

Credit: NASA, ESA, and M. Kornmesser (ESO)

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