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Po Ya is a crater on 
Mercury
Mercury commonly refers to:
* Mercury (planet), the nearest planet to the Sun
* Mercury (element), a metallic chemical element with the symbol Hg
* Mercury (mythology), a Roman god
Mercury or The Mercury may also refer to:
Companies
* Merc ...
. Its name was adopted by the IAU in 1976, after Bo Ya, a Chinese musician who lived in 8th century B.C. The crater was first imaged by Mariner 10
''Mariner 10'' was an American Robotic spacecraft, robotic space probe launched by NASA on 3 November 1973, to fly by the planets Mercury (planet), Mercury and Venus. It was the first spacecraft to perform flybys of multiple planets.
''Ma ...
in 1974.
Po Ya is northwest of the larger crater Sōtatsu and northeast of Tintoretto crater.
References
Impact craters on Mercury {{Mercury-planet-stub