# Asaph Hall

> He found Mars's two moons in 1877 when most astronomers thought there were none to find.

*American astronomer (1829–1907)*

**Canonical URL:** https://fame.am/person/asaph-hall

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** United States
- **Born:** 1829-10-15
- **Died:** 1907-11-22
- **Status:** deceased
- **Gender:** male

## Bio

Asaph Hall III was born October 15, 1829, and spent decades mapping the mechanics of the solar system — calculating satellite orbits, measuring Saturn's rotation, weighing Mars itself. In August 1877, working at the U.S. Naval Observatory, he turned a telescope on Mars and spotted what no one else had: two tiny moons wheeling close to the planet, which he named Deimos and Phobos. The discovery made him one of the era's most prominent astronomers, a specialist in double stars and planetary systems. He died November 22, 1907, having proven that even well-watched worlds can hide something in plain sight.

## Fame
- **Popularity score:** 53.7 / 100
- **Momentum:** 0.5 / 100  (trend: STABLE)
- **Historical depth:** 21.9 / 100
- **Now attention:** 3.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 70.0 / 100

## Topics
#Scientists, #Scientist, #Astronomy, #Mathematics, #United States, #Americas, #19th Century

## Sources
- [Wikipedia](https://en.wikipedia.org/wiki/Asaph_Hall)
- [Wikidata](https://www.wikidata.org/wiki/Q106559)
- [Pantheon 2.0](https://pantheon.world/profile/person/Asaph%20Hall)
- [اساف هول](https://arz.wikipedia.org/wiki/%D8%A7%D8%B3%D8%A7%D9%81_%D9%87%D9%88%D9%84)
- [آساف هال](https://azb.wikipedia.org/wiki/%D8%A2%D8%B3%D8%A7%D9%81_%D9%87%D8%A7%D9%84)
- [Асаф Хол](https://be.wikipedia.org/wiki/%D0%90%D1%81%D0%B0%D1%84_%D0%A5%D0%BE%D0%BB)
- [Асаф Хол](https://bg.wikipedia.org/wiki/%D0%90%D1%81%D0%B0%D1%84_%D0%A5%D0%BE%D0%BB)
- [Asaph Hall](https://ca.wikipedia.org/wiki/Asaph_Hall)
- [ئەساف ھۆڵ](https://ckb.wikipedia.org/wiki/%D8%A6%DB%95%D8%B3%D8%A7%D9%81_%DA%BE%DB%86%DA%B5)
- [Asaph Hall](https://cs.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://da.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://de.wikipedia.org/wiki/Asaph_Hall)
- [Έιζαφ Χολ](https://el.wikipedia.org/wiki/%CE%88%CE%B9%CE%B6%CE%B1%CF%86_%CE%A7%CE%BF%CE%BB)
- [Asaph Hall](https://eo.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://es.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://eu.wikipedia.org/wiki/Asaph_Hall)
- [آساف هال](https://fa.wikipedia.org/wiki/%D8%A2%D8%B3%D8%A7%D9%81_%D9%87%D8%A7%D9%84)
- [Asaph Hall](https://fi.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://fr.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://ga.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://gl.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://gv.wikipedia.org/wiki/Asaph_Hall)
- [אסף הול](https://he.wikipedia.org/wiki/%D7%90%D7%A1%D7%A3_%D7%94%D7%95%D7%9C)
- [Asaph Hall](https://hif.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://hr.wikipedia.org/wiki/Asaph_Hall)
- [Asaph Hall](https://af.wikipedia.org/wiki/Asaph_Hall)
- [أساف هول](https://ar.wikipedia.org/wiki/%D8%A3%D8%B3%D8%A7%D9%81_%D9%87%D9%88%D9%84)

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