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These Earth-like planets could harbor alien life

Astronomers discovered alien life may be possible on planets 40 light-years away from Earth.
Eso/M., Kornmesser/N.

Scientists might just have found three planets capable of supporting life.

The trio of Earth-like exoplanets, discovered by European astronomers using the TRAPPIST telescope at ESO’s La Silla Observatory inChile, are orbiting a dwarf star known as TRAPPIST-1.

“This really is a paradigm shift with regards to the planet population and the path towards finding life in the Universe,” Emmanuël Jehin, a co-author of the new study, said.

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Theseworlds are similar to both Venus and Earth in size and temperature. Two of the planets have orbital periods of about 1.5 days and 2.4 days. The third planet has a less-welldetermined period in the range of 4.5 to 73 days.

They are the first planets ever discovered around such a tiny star. There's a distance of40 light-yearsbetween the dwarf star and Earth.

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