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Henrietta Swan Leavitt, American astronomer and academic (died 1921)

Historical image related to Henrietta Swan Leavitt, American astronomer and academic (died 1921) from July 4, 1868

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Henrietta Swan Leavitt

American astronomer (1868–1921)

Henrietta Swan Leavitt was an American astronomer. Her discovery of how to effectively measure vast astronomical distances led to a shift in the understanding of the scale and nature of the universe. Nomination of Leavitt for the Nobel Prize had to be halted because of her death.
Source: Wikipedia (CC BY-SA)

July 4

Day of the year

July 4 is the 185th day of the year in the Gregorian calendar; 180 days remain until the end of the year.
Source: Wikipedia (CC BY-SA)