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Shaping “Ears” in Planetary Nebulae by Early Jets

29 Jul 2021, 16:00 UTC
Shaping “Ears” in Planetary Nebulae by Early Jets
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Muhammad Akashi and Noam Soker 2021 ApJ 913 91
New 3D hydrodynamical simulations show that jets that precede the ejection of the main planetary nebula shell can form the morphological feature of ears, protrusions seen in a small fraction of these nebulae.

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