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NASA’s Planetary Radar Spots Its 1,000th Near-Earth Asteroid | Astronomy – Sci-News.com
2021 PJ1, a near-Earth asteroid between 20 and 30 m across, safely flew past Earth on August 14, 2021 at a distance of over 1.7…
2021 PJ1, a near-Earth asteroid between 20 and 30 m (66-98 feet) across, safely flew past Earth on August 14, 2021 at a distance of over 1.7 million km (1 million miles). The approach was historic, marking the 1,000th near-Earth asteroid to be observed…
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