FacebookMail This video details a system of seven planets orbiting TRAPPIST-1, an ultra-cool dwarf star, a discovery of the Spitzer Space Telescope operated by NASA's Jet Propulsion Laboratory. If you like this article, please sign up for Snapshot, Portside's daily summary. Email (One summary e-mail a day, you can change anytime, and Portside is always free.) Leave this field blank Science astronomy
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