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Asaph Hall
Wikimedia Commons, Public domain, via Wikimedia Commons

scientist

Asaph Hall

Scientist · born October 15, 1829 · died 1907

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About

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.

Adapted from Wikipedia (CC BY-SA 4.0).

Milestones, by age

Dated facts from Wikidata; ages marked “about” come from year-only dates.

  1. ~48Received the Lalande Prize1877
  2. ~50Received the Gold Medal of the Royal Astronomical Society1879

Sources

Every fact on this page traces to one of these.

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Also born on October 15

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Friedrich Hermann Hartmann, Public domain, via Wikimedia Commons

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ABC, Public domain, via Wikimedia Commons

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