Coal-Black Alien Planet Is Darkest Ever Seen
By CHARLES Q. CHOI - SPACE.COM
Added: Fri, 12 Aug 2011 00:28:42 UTC
The distant exoplanet TrES-2b, shown here in an artist's conception, is darker than the blackest coal. This Jupiter-sized world reflects less than one percent of the light that falls on it, making it blacker than any planet or moon in our solar system.
CREDIT: David A. Aguilar (CfA)
An alien world blacker than coal, the darkest planet known, has been discovered in the galaxy.
The world in question is a giant the size of Jupiter known as TrES-2b. NASA's Kepler spacecraft detected it lurking around the yellow sun-like star GSC 03549-02811 some 750 light years away in the direction of the constellation Draco.
The researchers found this gas giant reflects less than 1 percent of the sunlight falling on it, making it darker than any planet or moon seen up to now. [The Strangest Alien Planets]
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