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Topic: Asaph Hall


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  Asaph Hall - Wikipedia, the free encyclopedia
Asaph Hall (October 15, 1829 November 22, 1907) was an American astronomer who is most famous for having discovered the moons of Mars (namely Deimos and Phobos) in 1877.
Hall became assistant astronomer at the US Naval Observatory in Washington DC in 1862, and within a year of his arrival he was made professor.
Hall crater on the Moon as well as Hall crater on the martian moon Phobos are named in his honor.
en.wikipedia.org /wiki/Asaph_Hall   (261 words)

  
 Descendants of Asaph Hall Present Memorabilia to USNO   (Site not responding. Last check: 2007-11-06)
In 1879 Hall was presented with the Gold Medal of the Royal Astronomical Society of Great Britain for his important find.
Asaph Hall was born on October 15, 1829 in Goshen, Connecticut.
The French were a bit slower to act than the British, but made up for it by presenting Hall two awards in the 1890s, first the Arago Medal of the Academie des Sciences in 1893, and then the Decoration of Chevalier of the French Legion of Honor in 1896.
www.usno.navy.mil /hallmedal.html   (1212 words)

  
 Angeline Stickney - Wikipedia, the free encyclopedia
Chloe Angeline Stickney Hall (November 1, 1830 – July 3, 1892) was the wife of astronomer Asaph Hall.
She had been Hall's professor of geometry and German at Central College in McGrawville, New York (despite being slightly younger than him), and gave up her career to marry him at Elkhorn, Wisconsin on March 31, 1856.
In all, they had four children; the oldest son, also named Asaph, was born on October 6, 1859 and served as director of Detroit Observatory from 1892 to 1905.
en.wikipedia.org /wiki/Angeline_Stickney   (215 words)

  
 Asaph Hall - Wikipédia
Asaph Hall (15 octobre 1829, Goshen, Connecticut — 22 novembre 1907, Annapolis, Maryland) était un astronome américain célèbre pour avoir découvert les deux satellites de Mars, Phobos et Déimos en 1877.
En 1875, Hall reçu la responsabilité d'un télescope de 66 cm, la plus grande lunette astronomique du monde à cette époque.
Un cratère sur le Lune et un autre sur Phobos portent son nom pour lui rendre hommage, ainsi que l'astéroïde 3299 Hall.
fr.wikipedia.org /wiki/Asaph_Hall   (245 words)

  
 Asaph Hall -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-06)
He determined the orbits of satellites of other planets and of double stars, the rotation of (A giant planet which is surrounded by three planar concentric rings of ice particles; 6th planet from the sun) Saturn, and the mass of Mars.
Hall became assistant astronomer at the (Click link for more info and facts about US Naval Observatory) US Naval Observatory in (Click link for more info and facts about Washington DC) Washington DC in 1862, and within a year of his arrival he was made professor.
Hall also investigated stellar (The apparent displacement of an object as seen from two different points that are not on a line with the object) parallaxes and the positions of the stars in the (A star cluster in the constellation Taurus) Pleiades (A grouping of a number of similar things) cluster.
www.absoluteastronomy.com /encyclopedia/A/As/Asaph_Hall.htm   (378 words)

  
 hall - definition by dict.die.net
Hence, as the entrance from outside was directly into the hall: (b) A vestibule, entrance room, etc., in the more elaborated buildings of later times.
A name given to many manor houses because the magistrate's court was held in the hall of his mansion; a chief mansion house.
The apartment in which English university students dine in common; hence, the dinner itself; as, hall is at six o'clock.
dict.die.net /hall   (269 words)

  
 Phobos (moon) - Wikipedia, the free encyclopedia
Phobos was discovered by American astronomer Asaph Hall on August 18, 1877 at the US Naval Observatory in Washington, D.C at about 09:14 GMT (contemporary sources, using the pre-1925 astronomical convention that began the day at noon, give the time of discovery as August 17 16:06 Washington mean time).
Asaph Hall also discovered Deimos, Mars' other moon.
It is heavily cratered, and the most prominent surface feature is the large crater named Stickney, after the maiden name of Asaph Hall's wife Chloe Angeline Stickney Hall.
en.wikipedia.org /wiki/Phobos_(moon)   (1655 words)

  
 Hall, Asaph --  Encyclopædia Britannica   (Site not responding. Last check: 2007-11-06)
Hall came from an impoverished family and was largely self-taught, though he did study briefly at Central College, McGrawville, N.Y., and at the University of Michigan.
It was discovered telescopically with its companion moon, Deimos, by the American astronomer Asaph Hall in 1877 and named for one of the sons of Ares, the Greek counterpart of the Roman god Mars.
It was discovered telescopically with its companion moon, Phobos, by the American astronomer Asaph Hall in 1877 and named for one of the sons of Ares, the Greek counterpart of the Roman god Mars.
www.britannica.com /eb/article-9038905   (854 words)

  
 netcyclo: Hall, Asaph   (Site not responding. Last check: 2007-11-06)
Hall, in 1877, discovered the two moons of Mars, Deimos and Phobos.
Interestingly, Hall was largely self-taught, although he did study briefly at Central College, McGrawville, New York, and at the University of Michigan.
Hall's last job was as professor of astronomy at Harvard from 1896 to 1901.
www.netcyclo.com /people/h/asaphall/asaphall.htm   (76 words)

  
 Asaph Hall - Wikipedia
Dies führte einerseits zur Entdeckung der Marskanäle durch Giovanni Schiaparelli und andererseits zur Entdeckung der beiden Marsmonde Phobos und Deimos durch Asaph Hall.
Hall berechnete auch die Umlaufbahnen der beiden Monde.
Kurze Zeit nach seiner Entdeckung verließ Hall Washington, D.C. und ging nach Annapolis, wo er 1907 starb.
de.wikipedia.org /wiki/Asaph_Hall   (226 words)

  
 The Planet Mars: A History of Observation and Discovery. Chapter 5: 1877. University of Arizona Press.
Hall was the son of a failed clock maker.
Hall, on redoing the calculation, realized that the actual limit ought to be more like 30' of arc, and that Martian satellites were likely to be found even closer than that to the planet.
Schiaparelli was born on March 14, 1835, in the town of Savigliano, in the Piedmont region of northwestern Italy, not far from the French border.
www.uapress.arizona.edu /onlinebks/mars/chap05.htm   (5213 words)

  
 Asaph Hall Biography / Biography of Asaph Hall Biography Biography
The American astronomer Asaph Hall (1829-1907) discovered the two satellites of the planet Mars and was an important figure in government scientific circles during the period following the Civil War.
Asaph Hall was born in Goshen, Conn. He attended the district schools until he was 13.
Hall achieved a reputation as an extremely careful observer and an accurate mathematician and computer.
www.bookrags.com /biography-asaph-hall/index.html   (399 words)

  
 HISTORICAL INITIATIVES   (Site not responding. Last check: 2007-11-06)
Hall’s home today is the fellowship hall of the church and is essentially the same building as it was in 1877 except that the three floors have been renovated.
Also on hand was Jonathan Hall, the grandson of Hall (the son of one of Hall’s four male offspring, Percival) as well as several clan members previously unknown.
Hall is sitting and is the fifth person to the left of the person sitting directly in front of the ship's wheel.
www.eclipsetours.com /historydc   (1693 words)

  
 Asaph Hall
HALL, Asaph, astronomer, born in Goshen, Connecticut, 15 October, 1829.
Exact calculations were made of their orbits, and Professor Hall gave to them the names of Deimos and Phobos (Terror and Fear), from the passage in Homer's "Iliad," where these two divinities are mentioned as the attendants of the god of war.
Professor Hall is a member of numerous scientific societies, both in the United States and Europe, and was chosen vice president of the American association for the advancement of science in 1880.
www.famousamericans.net /asaphhall   (692 words)

  
 Double Star Astronomy at the U.S. Naval Observatory   (Site not responding. Last check: 2007-11-06)
Asaph Hall is famous for his discovery with the 26-inch refractor of the satellites of Mars in 1877.
Hall's contemporaries had a high opinion of the quality of his work and Burnham (A General Catalogue of Double Stars with 120 degrees of the North Pole, Washington, DC, Carnegie Institution of Washington, Part 2, 1906) includes Hall as one of the ``leading observers'' in his double star catalog.
Hall's discoveries : While Asaph Hall is primarily known for the discovery of the moons of Mars, Phobos and Deimos, his contributions in double star work are also marked, and he was one of the best double star observers of his day, as noted above.
ad.usno.navy.mil /wds/ds_history_text.html   (6353 words)

  
 Lexikonia - le informazioni circa Asaph Hall   (Site not responding. Last check: 2007-11-06)
Hall divenne assistente astronomo all'Osservatorio Navale degli Stati Uniti, a Washington DC nel 1862, ed entro un anno dal suo arrivo divenne professore.
Nel 1875 Hall divenne responsabile di un telescopio da 66 cm, il più grande telescopio rifrattore esistente al mondo a quel tempo.
Hall lavorò anche sulla parallasse stellare e sulla posizione delle stelle nell'ammasso delle Pleiadi (astronomia).
www.lexikonia.org /26464_asaph_hall.htm   (170 words)

  
 Asaph Hall   (Site not responding. Last check: 2007-11-06)
Asaph Hall gelang schlußendlich im August 1877 die Entdeckung der Marsmonde Phobos (Furcht) und Deimos (Schrecken), bei denen es sich nach heutigen Erkenntnissen höchstwahrscheinlich um eingefangene Planetoiden aus dem Asteroidengürtel zwischen Mars und Jupiter handelt.
Halls Frau Chloe Angeline war an der Entdeckung übrigens nicht ganz unbeteiligt, ermunterte sie ihren Mann doch ständig, weiterzusuchen, als dieser schon aufgeben wollte, nachdem er, systematisch von außen nach innen vorgehend, keine Spuren der Marsbegleiter finden konnte.
Asaph Hall verließ kurze Zeit nach der Entdeckung von Phobos und Deimos, deren Umlaufzeiten er zu 7 h 39 m bzw.
www.manfredholl.de /hall.htm   (485 words)

  
 Imago Mundi - Basil Hall /Charles Hall / Asaph Hall.
Hall (Charles Francis), explorateur américain, né en 1824, mort au Groenland le 8 novembre 1871.
Hall (Asaph) - astronome né é à Goshen (Connecticut) le 15 octobre 1829, fut apprenti charpentier, maître d'école (1845-1857), assistant à l'observatoire Howard (1857), astronome à; l'observatoire naval de Washington (1862-1892).
Asaph Hall a été plus heureux dans ses recherches; grâce à une lunette de Clark, de 0,66 m à l'objectif, il découvrit, le 11 août 1877, à; l'Observatoire de Washington, un premier satellite de Mars et un second le 17 du même mois; il a donné les éléments de ces astres, qu'il nomma Deimos
www.cosmovisions.com /Hall.htm   (499 words)

  
 Hall, Asaph (1829-1907)
In 1863 Hall became professor of mathematics at the U.S. Naval Observatory.
In 1877, when Mars was in opposition, Hall searched for Martian satellites using the Naval Observatory's 26-inch (66-cm) refractor.
Much of Hall's later work involved the moons of the outer planets and studies of binary stars.
www.daviddarling.info /encyclopedia/H/Hall.html   (192 words)

  
 Asaph Hall   (Site not responding. Last check: 2007-11-06)
Asaph Hall: Discoverer of the Moons of Mars
When he left in 1863 for the U.S. Naval Observatory, he was in charge of its great refractor, located at Foggy Bottom on the banks of the Potomac River in Washington, D.C. In 1878 he saw a "a faint star near Mars" which turned out to be outer and inner satellites of Mars.
Hall named them Phobos (Fear) and Deimos (Flight) after the attendants of Mars mentioned in Homer's Iliad, and he measured their mass in comparison with Earth (0.1076 percent).
www.harvardsquarelibrary.org /UIA%20Online/hallasaph.html   (195 words)

  
 Asaph Hall   (Site not responding. Last check: 2007-11-06)
Asaph Hall (October 15, 1829 – November 22, 1907) was an United StatesAmerican astronomyastronomer who is most famous for having discovered the moons of Mars (planet)Mars (namely Deimos (moon)Deimos and Phobos (moon)Phobos) in 1877.
Hall also investigated stellar parallaxes and the positions of the stars in the Pleiades (star cluster)Pleiades open clustercluster/.
The Hall (crater)Hall crater on the Moon/ is named in his honor.
www.infothis.com /find/Asaph_Hall   (259 words)

  
 Patrick Phobos Mysteries pages: A to Z.   (Site not responding. Last check: 2007-11-06)
Hall, born Angeline Stickney, to the biggest crater on Phobos.
It is now sometimes refered to as the Hall crater, sometimes as the Stickney crater.
The maiden name of the American astronomer Asaph Hall' wife, who encouraged him to keep on searching for martian moons as he wanted to give up.
members.aol.com /pgrsel2/facts.htm   (999 words)

  
 The Hutchinson Dictionary of Scientific Biography: Hall, Asaph (1829-1907)@ HighBeam Research   (Site not responding. Last check: 2007-11-06)
He is also noted for his work on satellites of other planets, the rotation of Saturn, the mass of Mars and double stars.
Hall was born in Goshen, Connecticut on 15 October 1829, into a well-established and once-prosperous New England family.
His father, a clock manufacturer, also called Asaph Hall, died in 1842 and to alleviate the family's financial difficulties the young Asaph became a carpenter's apprentice at the age of 16.
www.highbeam.com /library/doc0.asp?DOCID=1P1:28910496&refid=ip_encyclopedia_hf   (180 words)

  
 Hall Coat of Arms
The first bearers of the distinguished surname Hall came to England in the great wave of migration that followed the Norman Conquest of 1066.
It is derived from the Old French term "halle," which referred to a large manor house, and indicates that the original bearer of the name worked at the manor of the local Lord in some role such as a servant or chamberlain.
Some of the first settlers of this name or some of its variants were: Christopher Hall who settled in Virginia in 1623; Alexander Hall settled in Virginia in 1654; Ann Hall settled in the Barbados in 1660; Daniel Hall settled in Delaware in 1682.
www.houseofnames.com /xq/asp.c/qx/hall-coat-arms.htm   (1164 words)

  
 Mars Team Online - Challenge Questions   (Site not responding. Last check: 2007-11-06)
She was known for her persistent encouragement to her husband as he strove to and eventually succeeded in the discovery of the satellites of Mars [ Phobos ] and so he called the biggest crater on Phobos after her name so as to show his gratitude to his wife.
Hall urged her husband to continue his search for Martian moons when he was at the point of giving up.
Asaph was an astronomer at the Naval Observatory in Washington, D.C. He was looking to see if Mars had any moons.
quest.arc.nasa.gov /mars/events/challenge/05.html   (577 words)

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