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总结
美国NSF-DOE维拉·C·鲁宾天文台在正式巡天前的前7晚试观测中，发现一颗体量巨大的小行星，并测得其自转周期约2分钟，刷新已知快速自转小行星纪录。多家媒体称其尺度接近八个橄榄球场，引发公众对其是否接近地球的关注。科研团队将继续通过后续测量精化轨道参数，评估潜在风险，并为小行星统计与行星防御研究提供数据支撑。
正文
Vera C. Rubin Observatory discovers enormous, record-breaking asteroid in first 7 nights of observations Live Science Rubin Observatory spots an asteroid that spins fast enough to set a record GeekWire Scientists find 'record-breaking' asteroid nearly the size of eight football fields. Is it close to Earth? The Independent NSF-DOE Vera C. Rubin Observatory Spots Record-Breaking Asteroid in Pre-Survey Observations NOIRLab Vera Rubin Observatory finds record-breaking asteroid spinning every two minutes starlust.org
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