Planetary Nebula

Expanding Shell

Lars Leonhard

6:22

Gas And Dust

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6:25

Red Giant

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5:57

Ultaviolet

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5:51

No Planets Involved

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6:29

White Dwarf

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5:54

Evolutionary Path

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5:53

Ring-Like Structures

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5:53

Dark Nebula

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5:26

A Bright Central Star

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6:26

Spectral Line

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7:47

Solar Observer

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1:00:06