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NASA and TRAPPIST-1 - A Treasure Trove of Planets Found - HD #TRAPPIST1

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Seven Earth-sized planets have been observed by NASAs Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone. Over 21 days, NASAs Spitzer Space Telescope measured the drop in light as each planet passed in... (más)

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