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Date: 2015-08-26 16:24:29Spaceflight Exploration of Mars Mars Outer space Astronomy Space colonization Colonization of Mars Terraforming Mars trilogy Life on Mars Buzz Aldrin Martian | National Geographic Kids EDUCATOR’S GUIDE Next Generation Science Standards and Classroom Activities Buzz Aldrin Welcome to Mars: Making a Home on the Red PlanetAdd to Reading ListSource URL: www.mariannedyson.comDownload Document from Source WebsiteFile Size: 15,41 KBShare Document on Facebook |