Spitzer Observes TRAPPIST-1 January 27, 2020 via NASA Spitzer Space Telescope, one of agency’s great observatories, one of Spitzer's great discoveries was that of the TRAPPIST-1 star, an ultra-cool dwarf, which has seven Earth-size planets orbiting it. #NASA https://go.nasa.gov/30WPDCl

Via Darshan Bhambiru
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