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Asteroid Florence to pass by the Earth
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AsteroidFlorencetopassbytheEarth AsteroidFlorence,alargeasteroidneartheEarth,issettosafelyflybytheEarthon Friday,atadistanceofaround7millionkilometers,NASAhasreported. Officiallydesignated3122Florence,thenaturalremnantoftheformationofthesolar systemisthelargestasteroidtopasssoclosetoourplanetsinceNASAstartedtracking near-Earthasteroids. MeasurementsfromNASA’sSpitzerSpaceTelescopeandNEOWISEmissionindicatethat Florenceisaround4.4kilometersacross. https://goo.gl/AfCK7A