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These Earth-like planets could harbor alien life - Metro US

These Earth-like planets could harbor alien life

This artist’s impression shows an imagined view of the three planets orbiting an ultracool dwarf star just 40 light-years from Earth that were discovered using the TRAPPIST telescope at ESO’s La Silla Observatory. These worlds have sizes and temperatures similar to those of Venus and Earth and may be the best targets found so far for the search for life outside the Solar System. They are the first planets ever discovered around such a tiny and dim star. In this view one of the inner planets is seen in transit across the disc of its tiny and dim parent star.
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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