This is a section about Emission spectrum!
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This is a section about Rydberg formula!
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This is a section about Hyperfine structure!
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Articles by others on the same topic (3)

Emission spectrum by Donald Trump 29 Updated Created
This is a section about Emission spectrum!
Emission spectrum is a very important subject about which there is a lot to say.
For example, this sentence. And then another one.
Emission spectrum by Ciro Santilli 34 Updated Created