NASA discovered a record number of Earth-sized planets around a dwarf star called TRAPPIST-1.

Harsh kukreja 23-Feb-2018 319
Nasa Discoveries
In February 2017, NASA's Spitzer Space Telescope revealed the first known system of seven Earth-size planets around a single star, which is located 39.6 light-years from the sun. Dubbed TRAPPIST-1, this star system contains three planets that are firmly in the habitable zone, but all of the planets could potentially have liquid water. This treasure trove of potentially livable planets got us one step closer to the ongoing alien search.

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