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Isaac Newton Group of Telescopes (ING)

Planetary Nebula NGC 1514

5 Apr 2017, 17:09 UTC
Planetary Nebula NGC 1514 David Jones (Instituto de Astrofisica de Canarias)

Planetary nebulae are believed to represent the fate of all Sun-like stars; as the star evolves it sheds its outers layers in the form of a dense stellar wind which is then ionised to form the glowing shell of the planetary nebula. It has become apparent that the wide array of shapes found in planetary nebulae are difficult to understand in a single star scenario. The interaction between a dying star and a companion star in a very close orbit (generally with an orbital period as short as a few hours to a few days) is the preferred mechanism for forming strongly aspherical morphologies.

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