Asaph Hall | |
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![]() Hall at the USNO in 1899 | |
Born | |
Died | November 22, 1907 | (aged 78)
Alma mater | New-York Central College, McGrawville |
Occupation | Astronomer |
Known for | Discovery of the two moons of Mars |
Spouses | |
Children | 4, including Asaph Hall, Jr. and Percival Hall |
Signature | |
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Asaph Hall III (October 15, 1829 – November 22, 1907) was an American astronomer. He is best known for having discovered the two moons of Mars, Deimos and Phobos, in 1877.[1] He found the orbits of satellites of other planets and of double stars. He also found the rotation of Saturn and the mass of Mars.