What is Edwin Hubble?
{{Infobox scientist |name = Edwin Powell Hubble |image =Studio portrait photograph of Edwin Powell Hubble (cropped).JPG |birth_date = {{birth date|1889|11|20|mf=y}} |birth_place = [[Marshfield, Missouri]], [[United States|U.S.]] |nationality = [[United States|American]] |death_date = {{death date and age|1953|9|28|1889|11|20|mf=y}} |death_place = [[San Marino, California|San Marino]], [[California]], U.S. |field = [[Astronomy]] |work_institutions = [[University of Chicago]]<br />[[Mount Wilson Observatory]] |alma_mater = [[University of Chicago]]<br />[[University of Oxford]] |influenced = [[Allan Sandage]] |known_for = [[Big Bang]]<br />[[Hubble's law]]<br />[[Redshift]]<br />[[Hubble sequence]] |prizes = [[Bruce Medal]] 1938 |footnotes = }} [[File:Redshift.svg|thumb|upright|[[spectral line|Absorption lines]] in the [[visible spectrum|optical spectrum]] of a [[supercluster]] of distant galaxies (right), as compared to absorption lines in the optical spectrum of the Sun (left). Arrows indicate redshift. Wavelength increases up towards the red and beyond (frequency decreases).]] '''Edwin Powell Hubble ''' (November 20, 1889&nbsp;– September 28, 1953) was an [[Americans|American]] [[astronomer]]. Hubble's findings changed the scientific view of the [[universe]]. ==Career== In 1925 he showed that there are [[galaxy|galaxies]] beyond our own, the [[Milky Way]].<ref name=MB2>{{cite book|title=The day we found the Universe|author=Marcia Bartusiak|publisher=Random House Digital, Inc|year=2010|pages=x-xi|isbn=9780307276605|url=https://books.google.com/books?id=7XojzXh4_KEC&q=The+Day+We+Found+the+Universe}}</ref><ref>{{cite journal |last=Hubble |first=Edwin |title=Extragalactic nebulae |journal=Astrophysical Journal |date=December 1926 |issue=64 |pages=321–369 |doi=10.1086/143018 |bibcode = 1926ApJ....64..321H |volume=64}}</ref> Also, he developed a method for classifying galaxies. Then he proved the galaxies were moving away from each other. Hubble found the degree of [[Doppler effect]] ([[redshift]]) from a galaxy