View Full Version : How Much Do Binary Stars Shape Planetary Nebulae?

2011-Jun-15, 08:50 PM
  Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it be magnetic fields, high rotation rates, unseen companions, or something else entirely? Recently, there has been a growing consensus that binary companions [...]

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