| Property | Value |
|---|
| rdf:type | |
| rdfs:label | |
| owl:sameAs | |
| prov:wasDerivedFrom | |
| skos:prefLabel | |
| skos:altLabel | - HI
- spin-flip
- cosmos
- 21 cm
- 21 centimeters
- 21 cm
- H I
- HI imaging
- 1.4 GHz
- 1420.40575177 MHz
- 21 centimeters wavelength
- 21 cm (1420 MHz)
- 21 cm H-I emissions
- 21 cm Hydrogen line
- 21 cm hydrogen line
- 21 cm line
- 21 cm line of atomic hydrogen
- 21 cm line of neutral hydrogen
- 21 cm radio emissions
- 21 cm radio waves
- 21 centimeter
- 21 cm emission
- 21 cm emissions
- 21 cm hydrogen
- 21 cm line
- 21 cm observations
- 21 cm radiation
- 21 cm spectral line
- 21 cm spin line of neutral hydrogen
- 21-centimeter
- 21-centimeter H I line
- 21-cm
- 21-cm (1,420 MHz) region
- 21-cm HI line
- 21-cm emission
- 21-cm hydrogen line
- 21-cm line
- 21-cm line emission
- 21-cm spectral line
- 21cm
- 21cm Hydrogen line
- 21cm emission
- 21cm emission line
- 21cm hydrogen line
- 21cm line
- 21cm line radiation
- 21cm wave transition in atomic hydrogen
- H I 21 cm line
- HI 21 cm line
- HI 21-cm spectral line of neutral hydrogen
- HI emission
- HI sources
- Hydrogen_line
- Neutral Hydrogen (HI)
- collision with spin flip of an electron against a hydrogen atom
- atomic hydrogen emission
- cosmic 21-cm fluctuations
- emission frequency of neutral hydrogen
- fundamental transition of the hydrogen atom
- hydrogen gas
- hydrogen line
- hydrogen line (21-centimeter line or H I line)
- molecular hydrogen emission
- naturally emitted by hydrogen
- neutral atomic Hydrogen emission
- neutral atomic hydrogen (H I)
- neutral atomic hydrogen (HI)
- neutral hydrogen
- neutral hydrogen line
- neutral hydrogen radio emission
- radio spectrum of hydrogen
- redshifted 21 cm radiation
- spin-flip transition of a hydrogen atom's electron
- twenty-one centimeters
- wavelength of 21 cm
- 21 cm hyperfine transition in neutral hydrogen
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| is clgo:knownFor of | |