In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Hubble enters the fray Edwin Hubble joined the Mount Wilson Observatory ... In 1923, they succeeded in taking an image of the Andromeda spiral nebula, Messier 31, and that revealed something ...

Astronomers have released the most detailed image of the Andromeda galaxy with new clues about its evolutionary history to celebrate the 100th anniversary of Edwin Hubble's discovery that our ...

NASA recently released images of the Andromeda galaxy ... About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and NASA scientists ...

This image of the galaxy cluster Abell 2744 is from the Frontier Fields project, using natural gravitational lenses and ...

The release of the new Hubble image coincides with the 100th anniversary of the discovery of Andromeda by the spacecraft's namesake, Edwin Hubble, according to Live Science's sister site Space.com.

Hubble makes his mark Edwin Hubble was young and ambitious ... These glass plates recorded images of the night sky using a light-sensitive emulsion covering their surface. The telescope’s ...

Edwin Hubble was young and ambitious ... These glass plates recorded images of the night sky using a light-sensitive emulsion covering their surface. The telescope's size let it make images ...