2025 年 5 月

天文·每日一图

加速超大质量黑洞

An artistic illustration of a black hole is shown. The black spot in the center is the black hole, while the accretion disk of gas surrounding it is shown in orange. Stars and the darkness of space is shown near the top in the background. Please see the explanation for more detailed information.
图中展示了一幅黑洞的艺术插图。中心的黑点代表黑洞,其周围的气体吸积盘以橙色显示。背景顶部附近显示了恒星和黑暗的太空。有关更多详细信息,请参阅说明。

NASA·每日一图

回到地球

The Soyuz MS-26 spacecraft is pictured backing away from the International Space Station shortly after undocking on April 19, 2025.
这张照片拍摄于2025年4月19日,联盟号MS-26飞船脱离国际空间站后不久,正在返回地球。

NASA·每日一图

为仙后座A增添维度

Cassiopeia A (Cas A) is a supernova remnant located about 11,000 light-years from Earth in the constellation Cassiopeia. It spans approximately 10 light-years.
仙后座A(Cassiopeia A,简称Cas A)是一个超新星遗迹,位于仙后座方向,距离地球约11,000光年,其跨度约为10光年。

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