Edwin Powell Hubble is renowned for determining that there are other galaxies in the Universe beyond the Milky Way, and for observing that the universe is expanding at a constant rate. Hubble was ...

Edwin Hubble (1889â 1953 ... so Hubble enlisted in the army, delaying his dream job until after the war. At Mount Wilson, Hubble studied spiral nebulae, puzzling objects that astronomers ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...