Asaph Hall

asaph-hall-1753044280898-6f0673

Description

Asaph Hall III 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.

ID: asaph-hall-1753044280898-6f0673

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