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hydrogen line English (Q1406191)

Item Discussion
spectral line of hydrogen state transitions English
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Language Label Description Also known as
British English
No label defined
No description defined

    Statements

    Freebase ID
    /m/02why3
    1 reference
    stated in
    Q15241312 (Deleted Item)
    publication date
    28 October 2013
    instance of
    Q212111 (Deleted Item)
    0 references
    wavelength English
    21.10611405413±0.00000000001000088900582341 http://www.wikidata.org/entity/Q174728
    0 references
    Unified Astronomy Thesaurus ID English
    690
    0 references
    Commons category
    21cm line
    0 references
    Encyclopædia Britannica Online ID
    topic/21-centimetre-radiation
    0 references
    Microsoft Academic ID
    164918935
    0 references
    frequency
    1,420,405,751.7667±0.00090003013610839844 http://www.wikidata.org/entity/Q39369
    0 references
    nLab ID English
    hydrogen line
    0 references
    OpenAlex ID
    C164918935
    1 reference
    stated in
    Q107507571 (Deleted Item)
    retrieved
    26 January 2022
    reference URL
    https://docs.openalex.org/download-snapshot/snapshot-data-format
    Den Store Danske ID
    21_cm-linjen
    0 references
     
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