超新星

• The question is why only a small fraction of supernovae produce grbs
  问题是，为何只有一小部份的超新星会产生grb ？
• Finding such ancient and far - off supernovae is difficult , however
  然而，想发掘如此古老而又遥远的超新星可不简单。
• Got it . supernova : bad
  知道了，超新星：不好
• Plerionic supernova remnant
  类蟹超新星遗迹
• Supernova explosion at song dynasty and the principle of constancy of light velocity
  宋代超新星爆发事件与光速不变原理
• Of the hosting galaxy , the
  超新星爆发的
• Explanation : what ' s causing those odd rings in supernova 1987a
  说明：这些奇特的超新星1987a环状结构到底是怎麽形成的呢？
• We will talk about the high mass stars and supernovae in the next chapters
  我们将在下一章探讨大质量恒星和超新星的种种。
• Vela supernova remnants
  船帆超新星遗迹
• For several months it remains bright enough to be seen during the day
  这颗超新星在接下来的数月中持续发光，其亮度白日可见。