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主題: ASTEROID 2021 UA1 作者: peter 於 2021-10-27 18:10:46 ASTEROID 2021 UA1
2021 UA1 is a small (~2 meter) near-Earth object that passed about 3047 km from the surface of Earth on 25 October 2021 around 03:07 UT. https://www.youtube.com/watch?v=lpU2UkvH0Sc |