A rare planetary alignment, called "Line of Nodes," can shed light about #Pluto's surface. https://t.co/XqZpsV4IH0 http://pic.twitter.com/mBmMuMDDul
— NASA New Horizons (@NASANewHorizons) July 25, 2016
via Twitter https://twitter.com/NASANewHorizons
July 25, 2016 at 07:41PM
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