Bipolar nebula

Bipolar planetary nebula PN Hb 12.[1]

A bipolar nebula is a type of nebula characterized by two lobes either side of a central star. About 10-20% of planetary nebulae are bipolar.[2]

  1. ^ "Bizarre alignment of planetary nebulae". ESA/Hubble Press Release. Retrieved 6 September 2013.
  2. ^ The Macquarie/AAO/Strasbourg Hα Planetary Nebula Catalogue: MASH, Parker et al. 2006, MNRAS, 373, 79