Astronomers have discovered three new planets orbiting in the habitable zone around the star Gliese 667C. The habitable zone is where temperatures would allow liquid water to exist.
Counting the three newly discovered planets, which scientists are calling “super-Earths,” the Gliese 667C system contains at least six planets in total.
“We knew that the star had three planets from previous studies, so we wanted to see whether there were any more,” says Mikko Tuomi of the University of …
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