science #Comets #Astronomy #SolarSystem After nearly 30 years, NASA realized this near-Earth asteroid is actually a comet. The discovery may help us defend the planet some day Space.com Wed
science #Comets #Asteroids #JetPropulsionLaboratory #PlanetaryDefense #PlanetaryDefenseCoordinationOffice #PlanetaryScience #TheSunSolarPhysics NASA Study Finds Near-Earth Asteroid Is Actually Comet NASA Thu
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