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 ...

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 ...

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 ...