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DO NOT PUBLISH YET Neptune -- The Other Blue Planet in Our Solar System Archive
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30 November 2005, 12:40 PM ET
Astronomer have discovered a planet about as massive as Neptune orbiting one of the most common types of stars in the universe.
31 August 2004, 01:00 PM ET
The planets are likely gaseous or mixtures of ice and rock, but they might be barren rock worlds like Mercury.
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