What does HRD mean in Astronomy?

This page is about the meanings of the acronym/abbreviation/shorthand HRD in the Academic & Science field in general and in the Astronomy terminology in particular.

Hertzsprung-Russell Diagram

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What does HRD mean?

Hertzsprung-Russell diagram(Noun)
: 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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"HRD." Abbreviations.com. STANDS4 LLC, 2017. Web. 18 Nov. 2017. <http://www.abbreviations.com/term/136843>.