15: Exoplanets

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Thumbnail: This is an artistic illutration of the giant planet HR 8799b. The planet was first discovered in 2007 at the Gemini North Observatory. It was identified in the NICMOS archival data in a follow-up search to see if Hubble Observatory had also serendipitously imaged it. ("Artists's Concept of Exoplanet HR 8799b," NASA/Goddard Space Flight Center/ESA/G. Bacon (STScI), Public Domain via NASA Image and Video Library.)

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