Politics & Government

December 13, 2007 3:07 PM

Alien planets can have sunsets, too

For the first time, astronomers have spotted what looks like a sunset on a planet outside our solar system, they announced this week. Using the Hubble Space Telescope, they detected traces of a red haze surrounding a Jupiter-like ball of hot gas circling a star in the northern sky 63 light-years — 370 trillion miles — from Earth.

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