中文名称 并合星系 英文名称 merginggalaxy
论文的合作者、同样来自马普所的阿可斯·波格丹（Akos Bogdan）说：“我们的结果表明，在我们所研究的星系中的超新星几乎都是来自两颗白矮星并合的。
"Our results suggest the supernovae in the galaxies we studied almost all come from two white dwarfs merging," said co-author Akos Bogdan, also of Max Planck.
哈勃的观测对这组相互作用四重星系的故事增加了新的重要线索，让天文学家确定星系遭遇开始的时间，并预言未来并合的情况。
The Hubble observations have added important clues to the story of this interacting foursome, allowing astronomers to determine when the encounter began and to predict a future merger.
吉尔法诺夫说：“对于许多天体物理学家来说，并合图景似乎不太可能发生，因为双白矮星系统看起来太少了。”
"To many astrophysicists, the merger scenario seemed to be less likely because too few double-white-dwarf systems appeared to exist," said Gilfanov.
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