Could TRAPPIST-1's seven worlds host moons?
Saturday, January 3, 2026 - 10:40
in Astronomy & Space
Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed planetary systems ever discovered. The TRAPPIST-1 system has captivated astronomers since 2017, with three of its planets orbiting in the habitable zone where liquid water might exist. But there's been a lingering question whether any of these worlds could hold onto moons.