Hertzsprung-Russell diagram

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English[edit]

Wikipedia

Etymology[edit]

Named after astronomers Ejnar Hertzsprung and Henry Norris Russell.

Noun[edit]

Hertzsprung-Russell diagram (plural Hertzsprung-Russell diagrams)

  1. (astronomy): a plot of the absolute magnitude of stars versus their colour (or surface temperature); shows the main sequence of stars plus the white dwarfs and red giants

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