Planetary Defense Coordination Office
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NASA
NASA to Discuss Outcome of 5th Biennial Asteroid Threat Exercise
NASA will host a virtual media briefing at 3:30 p.m. EDT, Thursday, June 20, to discuss a new summary of a recent tabletop exercise to simulate national and international responses to a hypothetical asteroid impact threat. The fifth biennial Planetary Defense Interagency Tabletop Exercise was held April 2 and 3, 2024, at the Johns Hopkins Applied Physics Laboratory (APL) in…
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NASA
Near-Earth Asteroids as of August 31, 2023
Near-Earth objects (NEOs) are asteroids and comets that orbit the Sun like the planets with orbits that come within 30 million miles of Earth’s orbit. NASA established the Planetary Defense Coordination Office (PDCO) to manage the agency’s ongoing efforts in Planetary Defense, which is the “applied planetary science” to address the NEO impact hazard. One key element of the PDCO…
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