标签: binary star

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NGC 1360:知更鸟蛋星云

2023年8月5日 NGC 1360: The Robin’s Egg Nebula Image Credit & Copyright: Dong Liang Explanation: This pretty nebula lies some 1,500 light-years away, its shape and color in this telescopic view reminiscent of a robin’s egg. The cosmic cloud spans about 3 light-years, nestled securely within the boundaries of the southern constellation Fornax. Re...

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共生变星宝瓶座R

2022年2月5日 Symbiotic R Aquarii Image Credit: X-ray: NASA/CXC/SAO/R. Montez et al.; Optical: Data: NASA/ESA/STScI, Processing: Judy Schmidt (CC BY-NC-SA) Explanation: Variable star R Aquarii is actually an interacting binary star system, two stars that seem to have a close symbiotic relationship. Centered in this space-based optical/x-ray composite image it li...

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飞马LL星的不寻常螺旋结构

2021年11月29日 The Extraordinary Spiral in LL Pegasi Image Credit: NASA, ESA, Hubble, HLA; Processing & Copyright: Jonathan Lodge Explanation: What created the strange spiral structure on the upper left? No one is sure, although it is likely related to a star in a binary star system entering the planetary nebula phase, when its outer atmosphere is ejected....

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项链星云的喷流

2021年05月18日 Jets from the Necklace Nebula Image Credit: ESA, Hubble, NASA; Processing: K. Noll Explanation: What celestial body wears the Necklace Nebula? First, analyses indicate that the Necklace is a planetary nebula, a gas cloud emitted by a star toward the end of its life. Also, what appears to be diamonds in the Necklace are actually bright knots of gl...