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100 years ago, Edwin Hubble proved our Milky Way galaxy isn't alone
Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.
earth10d
100 years ago: Edwin Hubble proved the Milky Way is not the only galaxy in the universe
In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
One large Milky Way galaxy or many galaxies?
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
Live Science23d
'Herculean' 2.5-billion-pixel mosaic shows our closest galactic neighbor like never before — and took more than a decade to create
The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.
Times Union21d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
In the century since Hubble’s pioneering work, astronomers like me have learned ... Hubble makes his mark Edwin Hubble was young and ambitious. At the of age 30, he arrived at Mount Wilson ...
San Antonio Express-News21d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Hubble’s work opened the door to the study of the universe ... Hubble makes his mark Edwin Hubble was young and ambitious. At the of age 30, he arrived at Mount Wilson Observatory in Southern ...
Yahoo28d
100 years ago, Edwin Hubble proved our Milky Way galaxy isn't alone
Circa 1945: Astronomer Dr. Edwin Powell Hubble sitting in a chair ... 1925 in Washington, D.C., that Hubble's work was officially presented for the first time. Rich describes the discovery of ...