English Explanatory Dictionary

Hertzsprung-Russell diagram

English dictionary entry

Meanings

noun
  1. A graphic representation of the absolute magnitude of stars against their color (or surface temperature), which shows the main sequence of stars plus the white dwarfs and red giants.

Word forms

Hertzsprung-Russell diagram Hertzsprung-Russell diagrams

Etymology

After astronomers Ejnar Hertzsprung and Henry Norris Russell.

Synonyms

HR diagram H-R diagram
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