河中的星系
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波江座
天文·每日一图
波江座的星系
2023年7月27日 Galaxies in the River Image Credit & License: CTIO/NOIRLab/DOE/NSF/AURA; R. Colombari, M. Zamani & D. de Martin (NSF’s NOIRLab) Explanation: Large galaxies grow by eating small ones. Even our own galaxy engages in a sort of galactic cannibalism, absorbing small galaxies that are
天文·每日一图
波江座的星系
2020 January 8 Galaxies in the River Image Credit & Copyright: Star Shadows Remote Observatory, PROMPT, CTIO Explanation: Large galaxies grow by eating small ones. Even our own galaxy engages in a sort of galactic cannibalism, absorbing small galaxies that are too close and are captured by the M