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Home Q & A Board Science-Related Homework Help Physics
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barry barry
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10 years ago
How have Hubble images revised our view of the structure of planetary nebulae, and even the potential for the Sun to become one?
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doseofmegandoseofmegan
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10 years ago
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10 years ago
Instead of just spherical shells, we know that many if not most planetary nebulae are bipolar ejections; often the appearance of a "ring" comes from the dual lobes coming directly at us and away from us.  The intricate structure suggests that magnetic fields are molding the nebulae, and that perhaps the rotation and perturbation of a companion star may be often involved. It may be that only binary stars can produce these spectacular stellar shrouds.
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Eric Clapton
barry Author
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10 years ago
Thank you both
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