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Yes, in the Trappist system there are signs of water

Thanks to the NASA / ESA 'Hubble' space telescope, a group of international astronomers has discovered the first signs of water in the TRAPPIST 1 system. As you will remember, this system discovered at the beginning of years houses seven planets the size of the Earth. Possibly habitable On February 22, 2017, astronomers announced the discovery of seven Earth-sized planets that orbit the ultrafine dwarf star TRAPPIST-1, 40 light years away.