7 Exoplanets Discovery

On the february 22 th 2017, "Astronomers have discovered around a red dwarf star a fascinating system of seven planets the size of the Earth, three of which could shelter oceans of liquid water. "This is the first time that one detects as much Of planets of earth size of which three potentially habitable. It is surprising that the seven planets have a great regularity in size". https://www.challenges.fr/monde/decouverte-historique-d-un-systeme-d-exoplanetes-pouvant-abriter-la-vie_456061