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How many planets are outside our Solar System? ![]() Artist's impression of exoplanets around other stars Hot Jupiters ![]() Jupiter analogues ![]() 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. Release date: 14 November 2006 |