hydrogen line
Sign in to saveAlso known as H I line, HI line, H one line, 21 cm line, 21 centimeter line
spectral line of hydrogen state transitions
Wikidata facts
- Image
- Hydrogen-SpinFlip.svg
Show 3 more facts
- wavelength
- 21.10611405413
- Commons category
- 21cm line
- frequency
- 1420405751.7667
Sources (2)
via Wikidata · CC0
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