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Magical nebulae: The Cat's Eye Nebula is the first spectroscopically studied planetary nebula

Planetary nebulae are beautiful. Gases around dying stars display unmatched colors and shapes. However their composition was a mystery until William Huggins made a spectroscopic analysis of the Cat's Eye nebula in 1864.

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missions icon Hubble 24. 4. 1990 Ongoing

Cats Eye Nebula



Except for the hydrogen and helium, that are almost omnipresent in the universe, astronomers found carbon, nitrogen and oxygen. All of these elements have larger abundancies, than could be found in our Sun.

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