Astronomers have discovered an Earth-sized alien world around the star Proxima Centauri, which lies just 4.2 light-years from our own solar system.
from Space.com ift.tt/2biqZFw
Astronomers have discovered an Earth-sized alien world around the star Proxima Centauri, which lies just 4.2 light-years from our own solar system.
from Space.com ift.tt/2biqZFw
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