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How many planets are outside our Solar System?

14 November 2006

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Artist's impression of exoplanet around a star

Credits: ESA 2003. Illustration by AOES Medialab

Hot Jupiters

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Credits: ESA

Jupiter analogues

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A planetary system that looks similar to our own

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This illustration shows a newly discovered Jupiter-like planet and its hypothetical moon (the blue orb) circling the star 55 Cancri. A previously known large planet is just to the left of the star and a hypothetical Earth-like planet to the right of the star.

Credits: Lynette R. Cook

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