PH2
Appearance
Template:Planetbox begin Template:Planetbox image Template:Planetbox star Template:Planetbox orbit Template:Planetbox character Template:Planetbox discovery Template:Planetbox reference Template:Planetbox end PH2 b (standing for "Planet Hunters 2 b"), is a confirmed extrasolar planet that could "potentially be habitable".[1][2] The "Jupiter-size" exoplanet was discovered by amateur astronomers from the Planet Hunters project of amateur astronomers using data from the Kepler Mission space observatory and confirmed, with 99.9 percent confidence, by observations at the W. M. Keck Observatory in Hawaii.[2] PH2 b was announced on January 3, 2013 and is the second confirmed planet discovered by PlanetHunters.org (the first being PH1).[1][2]
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