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Ksenya-84 [330]
3 years ago
10

Which part of the electromagnetic spectrum helped astronomers understand that the crab nebula contains hydrogen?

English
2 answers:
vodka [1.7K]3 years ago
4 0

Answer:

visible light I know for a fact that is the answer

Contact [7]3 years ago
3 0

Answer: Visible Light

Explanation: just did it :)

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