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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. He determined the orbits of satellites of other planets and of double stars , the rotation of Saturn , and the mass of Mars.
Died: Nov. 22, 1907, Annapolis, Md. (aged 78) Subjects Of Study: Mars. Asaph Hall (born Oct. 15, 1829, Goshen, Conn., U.S.—died Nov. 22, 1907, Annapolis, Md.) was an American astronomer who discovered the two moons of Mars, Deimos and Phobos, in 1877 and calculated their orbits.
- The Editors of Encyclopaedia Britannica
May 21, 2018 · The American astronomer Asaph Hall (1829-1907) discovered the two satellites of the planet Mars and was an important figure in government scientific circles during the period following the Civil War. Asaph Hall was born in Goshen, Conn. He attended the district schools until he was 13.
Mars is the fourth planet from the Sun. The surface of Mars is orange-red because it is covered in iron (III) oxide dust, giving it the nickname " the Red Planet ". [21] [22] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.
Feb 24, 2023 · Asaph Hall (1829-1907) was an American astronomer known for discovering the two moons of Mars, Deimos and Phobos, in 1877. He also determined the orbits of other planets' satellites and double stars, Saturn's rotation, and Mars' mass. Hall was an expert computer of orbits and a professor at the US Naval Observatory, where he discovered the moons with the world's largest refracting telescope at ...
Oct 15, 2021 · Asaph Hall (1829 – 1907) On October 15, 1829, American astronomer Asaph Hall III was born, who is most famous for having discovered the 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. “The deepest truths require still deeper ...
Asaph Hall III (October 15, 1829 – November 22, 1907) was an American astronomer who is most famous for having discovered the moons of Mars (namely 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. Life
