白矮星

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双响炮超新星

A nearly circular nebula with two rings is shown. The outer ring appears orange while while the inner rings is more complex and appears blue. Please see the explanation for more detailed information.
图中显示的是一个近乎圆形的星云,带有两个环。外环呈现橙色,而内环则更为复杂,呈现蓝色。有关更多详细信息,请参阅说明。

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豺狼新星V462目前可见

A starfield is shown with constellations annotated. The band of our Milky Way galaxy runs diagonally from the upper left to the lower right. Just above the image center is a faint dot that is annotated in yellow — V462 LUPI, a nova that was visible with the unaided eye last week and is currently still visible with binoculars. Please see the explanation for more detailed information.
这张图片展示了一片繁星点缀的星空,并标注了各个星座。我们银河系的星带从左上方斜贯至右下方。就在图像中心稍上的位置,有一个用黄色标注的微弱光点——那是豺狼新星2025(V462 LUPI),一颗上周曾用裸眼可见的新星,目前仍可通过双筒望远镜观测到。有关更多详细信息,请参阅说明。

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NGC 2440: 新白矮星的茧

2023年12月24日 NGC 2440: Cocoon of a New White Dwarf Image Credit: NASA, ESA, Hubble; Processing: H. Bond (STScI), R. Ciardullo (PSU), Forrest Hamilton (STScI) Explanation: What’s that in the center? Like a butterfly, a white dwarf star begins its life by casting off a cocoon of gas that enclosed

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行星状星云Abell 7

2022年5月21日 Planetary Nebula Abell 7 Image Credit & Copyright: Donald Waid, Ron Dilulio Explanation: Very faint planetary nebula Abell 7 is some 1,800 light-years distant, just south of Orion in planet Earth’s skies in the constellation Lepus, The Hare. Surrounded by Milky Way stars and ne

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来自蛇夫RS白矮星的新星爆发

2021年8月22日 Explosions from White Dwarf Star RS Oph Illustration Credit & Copyright: David A. Hardy & PPARC Explanation: Spectacular explosions keep occurring in the binary star system named RS Ophiuchi. Every 20 years or so, the red giant star dumps enough hydrogen gas onto its companion w

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MyCn 18;沙漏星云

2019 September 29 MyCn 18: The Engraved Hourglass Planetary Nebula Image Credit: NASA, ESA, Hubble; Processing & License: Judy Schmidt Explanation: Do you see the hourglass shape — or does it see you? If you can picture it, the rings of MyCn 18 trace the outline of an hourglass — al

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