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| physical object > natural object > celestial body > star > early star > central star of planetary nebula > ultraviolet star |
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| ultraviolet star comparison table | ||
| Subject | is a kind of | has definition |
|---|---|---|
| central star of planetary nebula | early star | |
| ultraviolet star | central star of planetary nebula | Very hot prewhite-dwarf star; usually the hot central star of a planetary nebula which is contracting toward the white-dwarf state. |
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