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Phobos (/ ˈ f oʊ b ə s /; systematic designation: Mars I) is the innermost and larger of the two natural satellites of Mars, the other being Deimos. The two moons were discovered in 1877 by American astronomer Asaph Hall. Phobos is named after the Greek god of fear and panic, who is the son of Ares (Mars) and twin brother of Deimos.
Asaph Hall discovered Deimos on 12 August 1877 at about 07:48 UTC and Phobos on 18 August 1877, at the US Naval Observatory (the Old Naval Observatory in Foggy Bottom) in Washington, D.C., at about 09:14 GMT (contemporary sources, using the pre-1925 astronomical convention that began the day at noon, [16] give the time of discovery as 11 August ...
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
Asaph Hall discovered Deimos on August 12, 1877 at about 07:48 UTC and Phobos 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 11 August 14:40 and 17 August 16:06 Washington mean time ...
Did not reach the Moon as intended, but discovered a second radiation belt around Earth. [2] 5.9 kg (13.0 lb) 1959 January 2 Soviet Union: Luna 1: Luna: Partial success: The first spacecraft to reach the vicinity of the Moon, and the first spacecraft to be placed in heliocentric orbit. 361 kg (794.2 lb) February 17 US: Vanguard 2E: Vanguard SLV ...
During construction, millions of fossils were found at a California high school, ... At the Natural History Museum, Hendy has had kids sort some of the 120,000-year-old shells. "The kids love it ...
Adams Synchronological Chart or Map of History, originally published as Chronological Chart of Ancient, Modern and Biblical History is a wallchart which graphically depicts a Biblical genealogy alongside a timeline composed of historic sources from the history of humanity from 4004 BC to modern times.
View history; General What links here; Related changes; Upload file; Special pages; ... Phobos (Greek for "fear") most commonly refers to: Phobos (moon), a moon of Mars;
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