Asaph Hall
American astronomer
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Asaph Hall III was an American astronomer who is best known for having discovered the two moons of Mars, Deimos and Phobos, in 1877. He determined the orbits of satellites of other planets and of double stars, the rotation of Saturn, and the mass... Wikipedia
Born: October 15, 1829, Goshen, CT
Died: November 22, 1907 (age 78 years), Annapolis, MD
Parents: Asaph Hall II
Known for: Discovery of the two moons of Mars
Children: Asaph Hall Jr. and Percival Hall