Planet Parade: the seven planets of TRAPPIST-1
58 بار بازدید -
5 سال پیش
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This artist’s impression video compares
This artist’s impression video compares the seven planets orbiting the ultra-cool red dwarf star TRAPPIST-1 at the same scale. New observations, when combined with very sophisticated analysis, have now yielded good estimates of the densities of all seven of the Earth-sized planets and suggest that they are rich in volatile materials, probably
5 سال پیش
در تاریخ 1398/11/09 منتشر شده
است.
58
بـار بازدید شده