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.
from Space.com bit.ly/2mcPvKc
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.
from Space.com bit.ly/2mcPvKc
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