Noun
United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953)
Source: WordNetHis citation reads: Often called a "pioneer of the distant stars," astronomer Edwin Hubble (1889–1953) played a pivotal role in deciphering the vast and complex nature of the universe. Source: Internet
Edwin Hubble, American astronomer who played a crucial role in establishing the field of extragalactic astronomy and is generally regarded as the leading observational cosmologist of the 20th century. Source: Internet
Slipher and Edwin Hubble continued to collect the spectra from many diffuse nebulae, finding 29 that showed emission spectra and 33 that had the continuous spectra of star light. Source: Internet
Edwin Hubble showed that our galaxy is just one of many galaxies in the universe. Source: Internet
In 1929, Edwin Hubble provided an observational basis for Lemaître's theory. Source: Internet