Exoplanet pair orbits two stars
Outer orb sits in habitable zone of binary star system
By Nadia Drake, 18:23 PM August 28, 2012
BEIJING — And then there were two. The Kepler spacecraft has spied the first pair of planets passing in front of the binary star system they orbit. Adding spice is that the outer planet — a potential Neptune-like world — inhabits the life-friendly zone around the two stars.
“It receives about 88 percent the amount of energy the Earth receives from the sun,” said William Welsh of San Diego State University on August 29 at the International Astronomical Union meeting. “And it’s a multiple pl...
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