Hertzsprung

British  

/ hɛrdsbrɔŋ /

noun

1. Ejnar (ˈəɪnar). 1873–1967, Danish astronomer: he discovered the existence of giant and dwarf stars, originating one form of the Hertzsprung-Russell diagram

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Hertzsprung Scientific  

/ hĕrts′sprng /

1. Danish astronomer who specialized in photographing the stars and introduced the concept of absolute magnitude. Hertzsprung also demonstrated the relationship between the surface temperature of stars and their absolute magnitude, but his work was ignored until Henry Russell independently developed a similar correlation, which is now named after both of them.

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Example Sentences

A star may shine for tens of billions of years and cross the Hertzsprung gap in a few thousand.

From Scientific American • Aug. 18, 2022

At the predicted time, it slammed into the far side of the moon within the 350-mile-wide Hertzsprung Crater, out of sight of anyone on Earth.

From New York Times • Jun. 27, 2022

Gray predicted that the rocket likely hit the Moon in a far side crater called Hertzsprung.

From The Verge • Mar. 4, 2022

On 4 March, a discarded rocket booster will slam into Hertzsprung Crater on the far side of the Moon—humanity’s first known piece of litter to unintentionally reach the lunar surface.

From Science Magazine • Feb. 22, 2022

Astronomers, including Ejnar Hertzsprung and Harvard’s Harlow Shapley, immediately saw the potential of the new technique; they and many others set to work exploring more distant reaches of space using cepheids as signposts.

From Textbooks • Oct. 13, 2016