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Harvard-Smithsonian Center for Astrophysics

CfA: Hubble Reveals a New Type of Planet

21 Feb 2012, 14:36 UTC
CfA: Hubble Reveals a New Type of Planet

February 21, 2012: Our solar system contains three types of planets: rocky, terrestrial worlds (Mercury, Venus, Earth, and Mars), gas giants (Jupiter and Saturn), and ice giants (Uranus and Neptune).

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