• Thumbnail for Asaph Hall
    Asaph Hall III (October 15, 1829 – November 22, 1907) was an American astronomer who is best known for having discovered the two moons of Mars, Deimos...
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  • Diocese of St Asaph St Asaph, a city in North Wales Asaph (album) Asaph Hall, 19th century astronomer Asaph Hall Jr., son of the above Asaph Fipke, Canadian...
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  • Thumbnail for Angeline Stickney
    Angeline Stickney Hall (November 1, 1830 – July 3, 1892) was an American mathematician and suffragist. She was married to astronomer Asaph Hall and collaborated...
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  • Thumbnail for Asaph Hall Jr.
    Asaph Hall IV (October 6, 1859 – January 12, 1930), known as Asaph Hall Jr., was an American astronomer. He was the son of Asaph Hall, who discovered...
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  • Thumbnail for Phobos (moon)
    Deimos. The two moons were discovered in 1877 by American astronomer Asaph Hall. It is named after Phobos, the Greek god of fear and panic, who is the...
    73 KB (7,296 words) - 08:46, 18 August 2024
  • Thumbnail for Moons of Mars
    They are irregular in shape. Both were discovered by American astronomer Asaph Hall in August 1877 and are named after the Greek mythological twin characters...
    43 KB (4,531 words) - 23:30, 6 August 2024
  • Thumbnail for Hall (lunar crater)
    the northeast part of the Moon. It was named after American astronomer Asaph Hall. This feature can be found to the east of the prominent walled plain Posidonius...
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  • Thumbnail for Deimos (moon)
    was discovered by Asaph Hall at the United States Naval Observatory in Washington, D.C., on 12 August 1877, at about 07:48 UTC. Hall, who also discovered...
    28 KB (2,652 words) - 12:41, 18 August 2024
  • Indians. In 1877, the American astronomer Asaph Hall discovered the two satellites of the planet Mars. Hall named the two moons Phobos and Deimos. Deimos...
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  • Thumbnail for Phobos (mythology)
    Agamemnon. In 1877, the American astronomer Asaph Hall discovered the two satellites of the planet Mars. Hall named the two moons Phobos and Deimos. Phobos...
    10 KB (1,052 words) - 22:28, 24 March 2024
  • Thumbnail for Stickney (crater)
    named after mathematician Chloe Angeline Stickney Hall, the wife of Phobos' discoverer Asaph Hall, whose support was credited by her husband as critical...
    10 KB (966 words) - 01:13, 28 February 2024
  • Franco-Prussian War: Battle of Gravelotte is fought. 1877 – American astronomer Asaph Hall discovers Phobos, one of Mars’s moons. 1891 – A major hurricane strikes...
    56 KB (5,412 words) - 17:59, 20 August 2024
  • Thumbnail for Percival Hall
    marry, and drive automobiles. The son of astronomer Asaph Hall, III (1829–1907) and Angeline Stickney Hall (1830–1892), he was born in Georgetown, Washington...
    6 KB (615 words) - 20:32, 29 June 2024
  • Thumbnail for 1877
    victory. August 12 – American astronomer Asaph Hall discovers Deimos, the outer moon of Mars. August 18 – Asaph Hall discovers Phobos, the inner moon of Mars...
    29 KB (3,147 words) - 02:18, 18 August 2024
  • Thumbnail for Mars
    captured into Martian orbit. Both satellites were discovered in 1877 by Asaph Hall and were named after the characters Phobos (the deity of panic and fear)...
    205 KB (18,243 words) - 02:52, 23 August 2024
  • brother Horace, who joined Truman Henry Safford, Sidney Coolidge, and Asaph Hall as observatory assistants. Horace became attached to a four-inch Merz...
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  • Thumbnail for Phobos monolith
    Spacecraft images of Phobos from nineplanets USGS Phobos nomenclature Asaph Hall and the Moons of Mars Flight around Phobos (movie) Animation of Phobos...
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  • Thumbnail for McGraw, New York
    students was her eventual husband, astronomer Asaph Hall. The largest crater on Phobos is named for her. Asaph Hall, American astronomer who discovered the...
    14 KB (1,461 words) - 23:00, 13 July 2024
  • Thumbnail for Old Naval Observatory
    observatory at night to ask an astrological question to the astronomer on duty, Asaph Hall. Gilliss died suddenly in February of 1865 and Admiral Charles Davis appointed...
    12 KB (1,259 words) - 18:47, 14 August 2024
  • Thumbnail for Franz Brünnow
    number of students who went on to further American astronomy, including Asaph Hall and James Craig Watson (the latter succeeded him as director of Detroit...
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  • sixty-eight years old, older than most of the other settlers. Thomas T. Minor Asaph Hall William Adams Palmer, Governor of and Senator from Vermont Thomas Witherell...
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  • Thumbnail for 19th century
    1873: Maxwell's A Treatise on Electricity and Magnetism published. 1877: Asaph Hall discovers the moons of Mars 1896: Henri Becquerel discovers radioactivity;...
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  • Asa Hall (born 1986), English footballer Asaph Hall (1829–1907), American astronomer Asaph Hall Jr. (1859–1939), American astronomer Ashley Hall (disambiguation)...
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  • Thumbnail for Henry Smith Pritchett
    Glasgow, Missouri, receiving an A.B. in 1875. He then took instruction from Asaph Hall for two years at the US Naval Observatory after which he was made an assistant...
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  • Thumbnail for Gold Medal of the Royal Astronomical Society
    Medal of the Royal Astronomical Society The RAS gold medal awarded to Asaph Hall Awarded for Achievement in astronomy or geophysics Country United Kingdom...
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  • Antarctic Place-Names Committee from association with Saturn Glacier after Asaph Hall, the American astronomer who contributed toward the study of Saturn and...
    1 KB (161 words) - 02:29, 29 April 2022
  • pianist and composer (d. 1869) 1825 – Marie of Prussia (d. 1889) 1829 – Asaph Hall, American astronomer and academic (d. 1907) 1833 – John Alexander MacPherson...
    50 KB (5,128 words) - 08:17, 22 August 2024
  • Thumbnail for United States Naval Observatory
    The 26 inch (66 cm) aperture telescope, with which Asaph Hall discovered the moons of Mars in 1877; the telescope is shown at its modern Northwest DC location...
    38 KB (3,298 words) - 04:18, 23 July 2024
  • Thumbnail for Timeline of the 19th century
    nationwide labour strike. Crazy Horse surrenders and is later killed. Asaph Hall discovers the moons of Mars. Thomas Edison invents the phonograph. The...
    58 KB (6,159 words) - 20:29, 14 August 2024
  • Thumbnail for Otto Wilhelm von Struve
    mail. By the initiative of Struve, two US astronomers, Simon Newcomb and Asaph Hall were appointed as Foreign Members of the Russian Academy of Sciences....
    13 KB (1,524 words) - 07:36, 2 August 2024