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Date: 2012-09-04 14:01:50Astronomical surveys Planetary defense Asteroid Spaceflight (101955) 1999 RQ36 Near-Earth object OSIRIS-REx OSIRIS RAVE Planetary science Astronomy Space | Target NEOs! Observing Program IntroductionAdd to Reading ListSource URL: www.astroleague.orgDownload Document from Source WebsiteFile Size: 1,56 MBShare Document on Facebook |