Allan Sandage

Allan Rex Sandage was an American astronomer who worked at the Carnegie Observatories in Pasadena, California. He discovered asteroid (96155) 1973 HA on 27 April 1973. He also figured out the first fairly accurate measurements for the Hubble constant and the age of the universe.

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Category:1926 births
Category:2010 deaths
Category:American astronomers
Category:Scientists from Iowa
Category:People from Iowa City, Iowa