Scientists think there be life on the planets in the TRAPPIST-1 system. TRAPPIST-1 is a small sun with seven Earth- planets. NASA said three of the planets get like the Earth, so could exist. TRAPPIST-1 is 40 light- away from Earth. Its sun is not very .
NASA said you could see the TRAPPIST-1 planets if you were on of them. They would look small. They would look than our Moon. You would see on . A scientist said life can live in very hot and at the bottom of the where there is no . She said life could be on the TRAPPIST-1 .