Hertzsprung-Russell diagram love

Hertzsprung-Russell diagram

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A graph of the absolute magnitude of stars plotted against their surface temperature or color, used in the study of stellar evolution.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

After Ejnar Hertzsprung (1873-1967), Danish astronomer, and and Henry Norris Russell.

Examples

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