How did a Cepheid variable star help Edwin Hubble prove the Andromeda Nebula was a galaxy? Roger BradySan Quentin, California ...

Henrietta Swan Leavitt, an astronomer ahead of her time, discovered the relationship between a star’s brightness and its fluctuation period. This breakthrough allowed Edwin Hubble to measure ...

The life of astronomer Henrietta Swan Leavitt in the late 19th and early 20th centuries wasn't glamorous. Her tedious work and genius observations didn't guarantee fame or equality, at least not ...

Astronomer Henrietta Swan Leavitt is credited with creating tools to help us map the starts in the universe. Now her life story is being told in a very unique way right here in Portland through ...

For this we pay homage to Henrietta Swan Leavitt, who in 1912 discovered a relationship between the brightness of a certain class of “variable” stars and the period over which their brightness ...

Leavitt was searching for stars whose brightness changed over time. From over a thousand variable (changing) stars, she identified 25 were of a type known as Cepheids , publishing the results in 1912.

But in the early 1920’s, building on the work of Henrietta Swan Leavitt and others, astronomer Edwin Hubble produced the first clear evidence that the swirling clusters visible through ...

Titled “25 Stars: A Temporary Monument to Henrietta Swan Leavitt,” the installation pushes the boundaries of medium and materiality to expose the groundbreaking research of its eponymous ...

July 4 (UPI) -- "Sideways" icon Virginia Madsen is leading the tributes to her brother, "Reservoir Dogs" and "The Hateful ...

Silent Sky tells the story of pioneering astronomer Henrietta Swan Leavitt and explores a woman’s place in society during a time of immense scientific and heart-bound discoveries.

Henrietta Swan Leavitt was not famous in her lifetime. She did not win the Nobel Prize, although her name was being considered before her untimely death in 1921. Neither is it vital to this story ...