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Description
The TRAPPIST-1 System contains 7 terrestrial planets orbiting an ultra-cool red dwarf, 4 planets are thought to be in the habitable zone, making it the planetary system with the most amount of habitable planets.

Description
The TRAPPIST-1 System contains 7 terrestrial planets orbiting an ultra-cool red dwarf, 4 planets are thought to be in the habitable zone, making it the planetary system with the most amount of habitable planets.