M31

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星系前方的流星

A starfield has the Andromeda galaxy in the center. Streaking down from the top is a green line with several bright segments — a meteor captured coincidently. Please see the explanation for more detailed information.
仙女座星系位于星空的中心。从顶部向下划出的是一条绿线,中间有几道明亮的光斑——这是一颗偶然捕捉到的流星。有关更多详细信息,请参阅说明。

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朝向仙女座的蓝色弧线

The Andromeda Galaxy is shown just right of center, while some unusual blue arcs appear to its left. Please see the explanation for more detailed information.
仙女座星系位于中心偏右处,其左侧出现一些不寻常的蓝色弧线。有关更多详细信息,请参阅说明。

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M31: 仙女座星系

The featured image shows a spiral galaxy and a smaller oval galaxy in a dark starfield. Please see the explanation for more detailed information.
特色图片展示了黑暗星场中的一个螺旋星系和一个较小的椭圆星系。有关更多详细信息,请参阅说明。

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阿尔卑斯山上空的仙女座星系

2023年11月13日 Andromeda over the Alps Image Credit & Copyright: Dzmitry Kananovich Explanation: Have you ever seen the Andromeda galaxy? Although M31 appears as a faint and fuzzy blob to the unaided eye, the light you see will be over two million years old, making it likely the oldest light you e

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仙女座星系过去和未来的恒星

2023年10月6日 The Once and Future Stars of Andromeda Image Credit: NASA, NSF, NOAJ, Hubble, Subaru, Mayall, DSS, Spitzer; Processing & Copyright: Robert Gendler & Russell Croman Explanation: This picture of Andromeda shows not only where stars are now, but where stars will be. The big, beauti

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流星与星系

2023年8月23日 The Meteor and the Galaxy Credit & Copyright: Jose Pedrero Explanation: It came from outer space. It — in this case a sand-sized bit of a comet nucleus — was likely ejected many years ago from Sun-orbiting Comet Swift-Tuttle, but then continued to orbit the Sun alone. Whe

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NGC 206与仙女星系的恒星云

2023年4月12日 NGC 206 and the Star Clouds of Andromeda Image Credit & Copyright: Howard Trottier Explanation: The large stellar association cataloged as NGC 206 is nestled within the dusty arms of the neighboring Andromeda galaxy along with the galaxy’s pinkish star-forming regions. Also kno

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