Planet Hunter: Spitzer Space Telescope TRAPPIST-1 Data Explained
Wednesday, February 22, 2017 - 13:32
in Astronomy & Space
The NASA telescope sights were set on the system for 500 hours (about 21 days) and transits of the planets identified and characterized them. TRAPPIST-1 is 39 light years away and harbors 7 earth-sized planets.