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六万年一遇!“年度最值得期待彗星”12日最接近地球

By ZHOU WENTING in Shanghai | China Daily | Updated: 2024-10-27 19:33:42

  10月12日,2024年最值得期待的C/2023 A3 紫金山-阿特拉斯彗星,最接近地球,将于当天傍晚“现身”天空。该彗星于2023年1月9日,由中国南京紫金山天文台盱眙观测站最早发现。其在近抛物线的椭圆轨道上运动,运行周期约六万余年。专家介绍,12日晚该彗星将在日落后不久的西方低空出现,但肉眼观测窗口期大约只有10到20分钟。而后几天,由于该彗星与太阳的角距离快速增大,将迎来最佳观测期。

  记者 程宇 北京报道

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