Asaph Hall

Asaph Hall (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. He determined the orbits of satellites of other planets and of double stars, the rotation of Saturn, and the mass of Mars.

Awards and honors

He won the Gold Medal of the Royal Astronomical Society in 1879. Hall crater on the Moon as well as Hall crater on the martian moon Phobos are named in his honor.

Related Topics:
Gold Medal of the Royal Astronomical Society - 1879 - Hall crater - Moon - Hall crater

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