When is planetary nebulae produced?

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  • When is planetary nebulae produced?


A planetary nebula, ... causing it to appear as a brightly coloured planetary nebula. Planetary nebulae may ... spherical nebulae are likely produced by ...
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Positive: 92 %
Planetary nebulae are very special objects because they can help make more stars. ... Astronomers saw that all planetary nebula are expanding.
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Positive: 89 %

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Planetary nebulae are the result of stars’ deaths and are beautiful cosmic spectacles. All planetary ... which is produced by planetary nebulae.
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Positive: 92 %
Planetary nebula, Cat’s Eye Nebula ... Planetary nebulae are chemically enriched in elements produced by nuclear ... Planetary nebulae also show a clear ...
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Positive: 87 %
... and the energy produced by these reactions works its way to the surface and radiates ... Planetary nebulae are a common part of the normal ...
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Positive: 73 %
Talk:Planetary nebula. Planetary nebula is a former featured article. ... Planetary nebula is within the scope of WikiProject Astronomy, ...
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Positive: 50 %

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