A Speculation into the Origin of Neutral Globules In Planetary Nebulae: Could the Helix's Comets Really Be Comets?

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Gussie, Grant;
  • Subject: Astrophysics
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics | Physics::Space Physics

A novel explanation for the origin of the cometary globules within NGC 7293 (the "Helix" planetary nebula) is examined; that these globules originate as massive cometary bodies at large astrocentric radii. The mass of such hypothetical cometary bodies would have to be s... View more
  • References (1)

    Bar-Nun, A., Dror, J., Kovachavi, E., & Laufer, D. 1985, Icarus , 63, 317 Bohlin, R., Harrington, J. P., & Stecher, T. P. 1982, ApJ , 255, 87

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