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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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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.[1] He determined the orbits of satellites of other planets and of double stars, the rotation of Saturn, and the mass of Mars.
- ^ Blunck, Jürgen (2009). "The Satellites of Mars; Discovering and Naming the Satellites". Solar System Moons: Discovery and Mythology. Springer. p. 5. ISBN 978-3-540-68852-5.