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Asaph Hall

Biography

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How to Pronounce Asaph? (CORRECTLY)

 

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OTD in Space - Aug. 17: Asaph Hall Discovers the Martian Moon Phobos

 

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Cool Astronomy Person of the Week: Asaph Hall

 

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Happy 192nd Birthday Asaph Hall

 

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Phobos

Asaph Hall III was an American astronomer 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.
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