Planetary Radar Observes 1,000th Near-Earth Asteroid Since 1968
September 4, 2021
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Planetary Radar Observes 1,000th Near-Earth Asteroid Since 1968
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Seven days after this historic milestone, a massive antenna at NASA’s Deep Space Network Goldstone complex imaged another, far larger object.
On Aug. 14, 2021, a small near-Earth asteroid (NEA) designated 2021 PJ1 passed our planet at…