Asaph Hall

Asaph Hall
Hall at the USNO in 1899
Born(1829-10-15)October 15, 1829
DiedNovember 22, 1907(1907-11-22) (aged 78)
Alma materNew-York Central College, McGrawville
OccupationAstronomer
Known forDiscovery of the two moons of Mars
Spouses
  • Angeline Stickney
    (m. 1856; died 1892)
  • Mary Gauthier (m. 1901)
Children4, including Asaph Hall, Jr. and Percival Hall
Signature

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.

References

  1. 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.