Dr Edwin Powell Hubble, who lends his name to the iconic Hubble Space Telescope, was one of the leading astronomers of the twentieth century. Born 135 years ago today on 20 November 1889, his ...

This article was originally featured on The Conversation.. A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American ...

Hubble finds proof that the universe is expanding 1929. The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s.. The first key, the period-luminosity scale ...

On Oct. 4, 1923, astronomer Edwin Hubble trained his telescope onto the sky and snapped a photo of a speck of light within the cloudy M31, also known as the Andromeda galaxy. Hubble initially thought ...

Hubble's law explains that the reason most galaxies are moving away from one another is because the whole universe is expanding. Pick any two galaxies at random, and the chances are they’re ...

Hubble finds proof that the universe is expanding 1929. The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s.. The first key, the period-luminosity scale ...