美人鱼星云超新星遗迹
(原标题: The Mermaid Nebula Supernova Remnant)
2024-09-18
浏览次数: 18
新的恒星从死亡恒星的残骸中诞生。银河系中一颗大质量恒星的引力坍缩和随后的死亡产生了G296.5+10.0超新星遗迹，美人鱼星云就是其中的一部分。美人鱼星云也被称为贝塔鱼星云，它是一个不寻常的超新星遗迹亚类的一部分，它是双面的，几乎是圆形的。最初是在x射线中发现的，丝状星云是一个经常被研究的射电和伽马射线光源。图中可见的蓝色来自双电离氧（OIII），而深红色则是由氢气发出的。该星云的美人鱼形状已被证明对星际磁场的测量很有用。成长画廊：昨晚的超级月食
查看原文解释
New stars are born from the remnants of dead stars. The gaseous remnant of the gravitational collapse and subsequent death of a very massive star in our Milky Way created the G296.5+10.0 supernova remnant, of which the featured Mermaid Nebula is part. Also known as the Betta Fish Nebula, the Mermaid Nebula makes up part of an unusual subclass of supernova remnants that are two-sided and nearly circular. Originally discovered in X-rays, the filamentary nebula is a frequently studied source also in radio and gamma-ray light. The blue color visible here originates from doubly ionized oxygen (OIII), while the deep red is emitted by hydrogen gas. The nebula's mermaid-like shape has proven to be useful for measurements of the interstellar magnetic field. Growing Gallery: Last night's supermoon eclipse
© Neil Corke; Text: Natalia Lewandowska (SUNY Oswego)