英仙GK: 新星与行星状星云
图像中有一个暗淡的星云垂直延伸。中心是一个红色包层，周围环绕着漫射蓝色辐射。中心是一个明亮的、接近圆形的色彩斑斓的星云。有关更多详细信息，请参阅说明。
标签： 行星状星云
环状星云的外环
中心是一个色彩缤纷的星云，是环形星云中最常见的部分。在这个中心周围可以看到几层结构不同的红色发光气体。有关更多详细信息，请参阅说明。
哈勃望远镜观测小哑铃星云庆祝34周年
4月24日，为了庆祝NASA传奇的哈勃太空望远镜发射34周年，天文学家拍摄了位于3,400光年外北天拱极星座英仙座的小哑铃星云（也称为梅西耶76、M76或NGC 650/651）的快照。这个上镜的星云是业余天文学家最喜欢的目标。
HFG1和Abell 6: 行星状星云
2024年2月12日 HFG1 & Abell 6: Planetary Nebulae Image Credit & Copyright: Julien Cadena & Mickael Coulon; Text: Natalia Lewandowska (SUNY Oswego) Explanation: Planetary nebulae like Heckathorn-Fesen-Gull 1 (HFG1) and Abell 6 in the constellation Cassiopeia are remnants from the last phase of a medium sized star like our Sun. In spite of their shapes...
猫眼星云: 可见光及X射线波段的景观
2024年1月7日 The Cat’s Eye Nebula in Optical and X-ray Image Credit: NASA, ESA, Hubble Legacy Archive; Chandra X-ray Obs.; Processing & Copyright: Rudy Pohl Explanation: To some it looks like a cat’s eye. To others, perhaps like a giant cosmic conch shell. It is actually one of the brightest and most highly detailed planetary nebula known, compo...
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 its former self. In this analogy, however, the Sun would be...
MyCn 18: 沙漏星云
2023年10月3日 MyCn 18: The Engraved Hourglass Planetary Nebula Image Credit & Copyright: NASA, ESA, Hubble, HLA; Processing & Copyright: Harshwardhan Pathak 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 — although one with an unusual eye in it...
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...
M15: 紧实的球状星团
2023年6月15日 M15: Dense Globular Star Cluster Image Credit: NASA, ESA, Hubble Legacy Archive; Processing: Ehsan Ebrahimian Explanation: Messier 15 is an immense swarm of over 100,000 stars. A 13 billion year old relic of the early formative years of our galaxy it’s one of about 170 globular star clusters that still roam the halo of the Milky Way. Centere...
M27: 哑铃星云
2023年5月30日 M27: The Dumbbell Nebula Image Credit & Copyright: Patrick A. Cosgrove Explanation: Is this what will become of our Sun? Quite possibly. The first hint of our Sun‘s future was discovered inadvertently in 1764. At that time, Charles Messier was compiling a list of diffuse objects not to be confused with comets. The 27th object on Messier...