Named after Edwin Hubble, one of the greatest astronomers of the 20th century, the telescope embodies his pioneering spirit and transformative contributions to astronomy. Born in 1889 in ...

Photo: Andromeda nebula plate with Hubble's handwritten circle around the variable star he discovered In 1919 American astronomer Edwin Hubble began work at the Mount Wilson Observatory in ...

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to ...