Astronomers Find Three Smallest Confirmed Exoplanets

Posted on January 12, 2012

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ScienceDaily (Jan. 11, 2012) — A team of astronomers led by scientists at the California Institute of Technology (Caltech) has discovered the three smallest confirmed planets ever detected outside our solar system. The three planets, which all orbit a single star, are smaller than Earth and appear to be rocky with a solid surface. Until now, astronomers have found at most only four other rocky planets, also called terrestrial planets, around other stars.


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