There are eight new
planets has been discovered by NASA, including two, which are the most similar
to Earth of any discovered so far, as Digital
Marketing Agency reported.
Moreover, the first
defined by NASA's Kepler mission, those eight planets are on the distant suns'
“habitable zone”.
Mention that, the two
of them, which similar to the earth are, Kepler-438b and which lies 475
light-years away, is just 12 percent bigger than Earth in diameter and has a 70
percent chance of being rocky, the scientists reported.
Kepler-442b is 1,100
light-years away and about one-third larger than Earth; its chance of being
rocky is 60 percent.
“We don't know for sure
whether any of the planets in our sample are truly habitable,” said David
Kipping, an astronomer at the Harvard-Smithsonian Center for Astrophysics and
second author on the paper. “All we can say is that they're promising
candidates”.
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