噴發的意義可以有:

參考資料编辑

  1. ^ The Plerionic Supernova Remnant G21.5-0.9: In and Out (PDF). [2012-04-26]. (原始内容存档 (PDF)于2012-07-17). 
  2. ^ (a detection by) The Advanced Satellite for Cosmology and Astrophysics (ASCA) http://heasarc.gsfc.nasa.gov/docs/asca/asca2.html. [2012-04-26]. (原始内容存档于2006-05-01).  外部链接存在于|title= (帮助)
  3. ^ "{{{ejecta}}}[永久失效連結]". Oxford English Dictionary. Oxford University Press. 2nd ed. 1989.