Hydrogen line
Radio line at 21 centimetres from cold hydrogen, predicted in 1944 and first detected by Ewen and Purcell in 1951.
ConceptAlso known as 21-centimetre line
Over time
observed by
Edward Mills Purcell
Harold Ewen
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- Identifiers
- Wikidata Q1406191
Sources
Relations
- observed by:
- Edward Mills Purcellsince 25 Mar 1951
Sources:
- Harold Ewensince 25 Mar 1951
Sources:
