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Harvard-Smithsonian Center for Astrophysics

Alien World is Blacker than Coal

11 Aug 2011, 13:06 UTC
Alien World is Blacker than Coal

August 11, 2011: Astronomers have discovered the darkest known exoplanet - a distant, Jupiter-sized gas giant known as TrES-2b. Their measurements show that TrES-2b reflects less than one percent of the sunlight falling on it, making it blacker than coal or any planet or moon in our solar system.

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