อ้างอิง ของ ฟองยักษ์

  1. 1 2 Henize 70: A SuperBubble In The LMC, Astronomy Picture of the Day, 1999-11-30
  2. Monogem Ring, The Internet Encyclopedia of Science
  3. N44 Superbubble, Astronomy Picture of the Day
  4. Yurii Pidopryhora, Felix J. Lockman, and Joseph C. Shields. The Ophiuchus Superbubble: A Gigantic Eruption from the Inner Disk of the Milky Way, The Astrophysical Journal 656:2, 928-942 (2007)
  5. "Huge 'Superbubble' of Gas Blowing Out of Milky Way". PhysOrg.com. 2006-01-13. สืบค้นเมื่อ 2008-07-04.
  6. STIS and GHRS Observations of Warm and Hot Gas Overlying the Scutum Supershell (GS 018−04+44, The Astrophysical Journal
  7. Observational Evidence of Supershell Blowout in GS 018-04+44: The Scutum Supershell, The Astrophysical Journal, Volume 532, Issue 2, pp. 943-969.