Robby
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Spitzer Observes TRAPPIST-1
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. (More at NASA Picture of The Day)
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. (More at NASA Picture of The Day)