[DOC] [TLE] Asaph Hall - Wikipedia [PAR] Asaph Hall III (October 15, 1829  November 22, 1907) 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 ... The article appeared in the 1873 edition of the 
journal, volume 2, pages... [DOC] [TLE] Today in science: A moon for Mars | Space | EarthSky [PAR] Aug 17, 2016 ... American astronomer Asaph Hall discovered Phobos, one of the two Martian 
moons, on this date in 1877. Did he ... Scientists got the first good look at Phobos 
in 1971 and 1972, during Mariner 9's mission to the planet. [DOC] [TLE] NASA - Under the Moons of Mars [PAR] Nov 19, 2007 ... The two tiny moons, Phobos and Deimos, have a storied history. Long before 
their discovery in 1877, Johannes Kepler speculated that since ... In real life, 
however, all searches failed until the American astronomer Asaph Hall 
discovered them ... so close to Mars that they were within the glare of the planet. [DOC] [TLE] Finding Phobos: Discovery of a Martian Moon - Universe Today [PAR] Apr 26, 2016 ... Phobos, one of the two natural satellites of Mars silhouetted against ... If someone 
were to ask you when fear was first discovered, you could tell them August 11, 
1877. ... Asaph Hall III (1829  1907) was an astronomer working at the US ... it 
orbits its parent planet at a rather low altitude, only 5,840 miles (as... [DOC] [TLE] Asaph Hall | American astronomer | Britannica.com [PAR] American astronomer who discovered the two moons of Mars, Deimos and 
Phobos, ... There he was chiefly concerned with planetary astronomy, the orbits 
of ... In 1877 Asaph Hall of the U.S. Naval Observatory discovered that Mars has 
two... [DOC] [TLE] Mars' Moons: Facts About Phobos & Deimos - Space.com [PAR] Jun 27, 2016 ... The two small bodies that orbit the red planet raise a number of questions about 
... It wasn't until American astronomer Asaph Hall made a thorough study of the 
planet in 1877 that the tiny, closely orbiting bodies were found. [DOC] [TLE] The Moons of Mars Discovered in 1877 by American Scientist [PAR] Sep 23, 2011 ... A discovery that will rank among the most important in astronomy was made at 
Washington, on the night of the 16th inst., by Asaph Hall. ... The planet Mars, 
since the invention of the telescope, has proved more convenient for ... The 
question now is not whether Mars has a satellite, but whether it has two. [DOC] [TLE] The Moons of Mars and Asaph Hall - Rutgers Preparatory School [PAR] Phobos was discovered by an American astronomer named, Asaph Hall. ... 
Phobos is composed of C-type asteroids and the soviet space craft, Phobos 2, 
detected a faint out gassing, but Phobos 2 died before it could ... During 1877, 
Asaph founded both of Mars's moons. ... nine planets . nine planets, 20 november 
2004. [DOC] [TLE] Goshen's Asaph Hall Becomes an Astronomical Success ... [PAR] Asaph Hall was a world-famous astronomer and mathematician from Goshen. 
Credited with discovering the moons orbiting the planet Mars, Hall, once a 
Connecticut. ... In 1862, he received an appointment at the US Naval Observatory 
in ... in 1877 when he discovered two moons orbiting around the planet Mars and 
used... [DOC] [TLE] The Planet Mars: A History of Observation and Discovery. Chapter 5 ... [PAR] In 1877, Asaph Hall was in charge of it and planned to use it to search for Martian 
satellites (fig. ... Hall left Harvard in 1863 for the U.S. Naval Observatory in 
Washington, D.C., and ... Only then did Hall announce the discovery of the two 
satellites. ... moons would continue to circulate in the astronomical community for 
years,... [DOC] [TLE] This Month in Astronomical History: The Moons of Mars | American ... [PAR] Aug 1, 2016 ... This month, the discovery of Mars's moons is in the spotlight

Question: American astronomer Asaph Hall discovered this planet's 2 moons in 1877
Answer: Mars