Haydn is a crater on Mercury. It has a diameter of 251 kilometers. Its name was adopted by the

International Astronomical Union The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...

(IAU) in 1976. Haydn is named for the Austrian composer

Joseph Haydn Franz Joseph Haydn ( ; ; 31 March 173231 May 1809) was an Austrian composer of the Classical period (music), Classical period. He was instrumental in the development of chamber music such as the string quartet and piano trio. His contributions ...

, who lived from 1732 to 1809. Haydn is south of the larger basin

Raphael Raffaello Sanzio da Urbino (; March 28 or April 6, 1483April 6, 1520), now generally known in English as Raphael ( , ), was an Italian painter and architect of the High Renaissance. List of paintings by Raphael, His work is admired for its cl ...

. Haydn crater EN1065420164M.jpg, Another oblique view from MESSENGER with Haydn at right Raphael crater Haydn crater MESSENGER WAC IGF to RGB.jpg, Raphael crater (top) and Haydn crater (bottom) in approximate color

References

Impact craters on Mercury

Crater A crater is a landform consisting of a hole or depression (geology), depression on a planetary surface, usually caused either by an object hitting the surface, or by geological activity on the planet. A crater has classically been described ...

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