Asaph Hall
Asaph Hall III (October 15, 1829 – November 22, 1907) 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 of Mars.
Asaph Hall | |
|---|---|
Hall at the USNO in 1899 | |
| Born | October 15, 1829 |
| 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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