This is exciting because this planet is TRULY similar to Earth. It's about 15% closer to its star, but its star is 25% weaker than ours. It has a 290 day year, and an average temperature of 71 degrees. The only significant difference from Earth is that Kepler 22-b is 2.4 times larger, but that's quite similar in cosmic terms.
It is "only" about 600 light-years away.
Monday, December 05, 2011
BBC News - Kepler 22-b: Earth-like planet confirmed
Kepler 22-b: Earth-like planet confirmed
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