Hubble's work opened the door to the study of the universe beyond our ... Astronomers now know that galaxies are isolated systems of stars, much smaller than the space between them. Edwin Hubble was ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Hubble enters the fray Edwin Hubble joined the Mount Wilson Observatory ... So, with the stage set, Hubble and Humason set to work observing spiral nebulas with the Hooker telescope.

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.

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 ...

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 ...

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 ...