PBS2y
Henrietta Leavitt
Henrietta Leavitt was born in ... This group studied photo images of stars to determine their magnitude. During her career, Leavitt discovered more than 2,400 variable stars, about half of the ...
The New York Times5y
FINDS NEW VARIABLE STARS.; Miss Leavitt Picks Twenty-five by Means of Photographs.
A recent examination by Miss Henrietta S. Leavitt of plates taken with the 24-inch Bruce telescope has led to the discovery of twenty-five new variable stars, according to a circular issued to-day ...
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It's been 100 years since we learned the Milky Way is not the only galaxy
But the story detailed a groundbreaking discovery: Hubble had found that two spiral-shaped nebulae, objects made up of gas and stars ... US astronomer: Henrietta Swan Leavitt.
PBS2y
Henrietta Leavitt
Henrietta Leavitt was born in ... This group studied photo images of stars to determine their magnitude. During her career, Leavitt discovered more than 2,400 variable stars, about half of the ...