 MESSENGER WAC | |
| Planet | Mercury |
|---|---|
| Coordinates | 82°32′N136°10′E / 82.54°N 136.16°E |
| Quadrangle | Borealis |
| Diameter | 17.1 km (10.6 mi) |
| Eponym | Kosaku Yamada |
Yamada is a crater on Mercury. It has a diameter of 17.1 kilometres (10.6 miles). Its name was adopted by the International Astronomical Union (IAU) on November 4, 2015. Yamada is named for the Japanese composer and conductor Kosaku Yamada. [1] The crater was referred to as n5 in scientific literature prior to naming. [2]
The Eminescu quadrangle (H-9) is one of fifteen quadrangles on Mercury. It runs from 216 to 288° longitude and from -25 to 25° latitude. Named after the Eminescu crater, it was mapped in detail for the first time after MESSENGER entered orbit around Mercury in 2011. It had not been mapped prior to that point because it was one of the six quadrangles that was not illuminated when Mariner 10 made its flybys in 1974 and 1975. These six quadrangles continued to be known by their albedo feature names, with this one known as the Solitudo Criophori quadrangle.
Matisse is an impact crater on the southern hemisphere of Mercury. Matisse takes its name from the French artist Henri Matisse, and it was named by the IAU in 1976.
Raphael is a crater on Mercury. Its name was adopted by the International Astronomical Union (IAU) in 1976, and is named for the Italian painter Raphael. It is Tolstojan in age. The crater was first imaged by Mariner 10 in 1974.
Homer is a crater on Mercury. It is one of 110 peak ring basins on Mercury. It is Tolstojan in age.
Hun Kal is a small crater on Mercury that serves as the reference point for the planet's system of longitude. The longitude of Hun Kal's center is defined as being 20° W, thus establishing the planet's prime meridian. The name "Hun Kal" means '20' in the language of the Maya.
Verdi is an impact crater on the planet Mercury. It was named after Italian Romantic composer Giuseppe Verdi (1813–1901) in 1979, as recognized by the International Astronomical Union. The crater's extensive ejecta blanket and secondary crater field are superposed on plains materials and older craters.
Praxiteles is a crater on Mercury. It is one of 110 peak ring basins on Mercury.
Eastman is a crater on Mercury first seen by MESSENGER during the mission's first Mercury flyby. Eastman exhibits some features characteristic of a fresh, relatively young crater. The walls of Eastman have clearly visible terraces, and the central peak structure is well preserved. Eastman is located near Xiao Zhao crater.
Beckett is a pit-floored crater on Mercury, which was discovered in January 2008 during the first flyby of the planet by the MESSENGER spacecraft. The crater was named in November 2008 by the IAU.
Dominici is a crater on Mercury. It was named by the IAU in 2010.
Picasso is a crater on Mercury. It has drawn scientific attention because of the large, arc-shaped pit crater located on the eastern side of its floor. Similar pits have been discovered on the floors of several other Mercury craters, such as Beckett, Glinka, and Gibran. These pits are postulated to have formed when subsurface magma subsided or drained, causing the surface to collapse into the resulting void. If this interpretation is correct, pit-floor craters such as Picasso provide evidence of shallow magmatic activity in Mercury's history.
Mark Twain is a crater on Mercury. Its name was adopted by the International Astronomical Union (IAU) in 1976. Mark Twain is named for the American author Mark Twain, who lived from 1835 to 1910.
Phidias is a crater on Mercury. Its name was adopted by the International Astronomical Union (IAU) in 1976. Phidias is named for the Greek artist Phidias, who lived from 490 to 430 BCE. The crater was first imaged by Mariner 10 in 1974.
Carolan is a crater on Mercury. Its name was suggested by an Irishman, Fergal Donnelly, and two Americans, Joseph Brusseau and Deane Morrison, in a naming contest which was eventually adopted by the International Astronomical Union (IAU) on 2015. Carolan is named for the Irish composer and performer Turlough O'Carolan, who lived from 1670 to 1738 C.E. The craters Kulthum, Enheduanna, Karsh, and Rivera were also named as part of the contest.
Enheduanna is a crater on Mercury. It has a diameter of 105 kilometers. Its name was suggested by Gagan Toor from India in a naming contest which was eventually adopted by the International Astronomical Union (IAU) on 2015. Enheduanna is named for the Sumerian poet Enheduanna. The craters Carolan, Kulthum, Karsh, and Rivera were also named as part of the contest.
Karsh is a crater on Mercury. It has a diameter of 58 kilometers. Its name was suggested by American resident Elizabeth Freeman Rosenzweig in a naming contest which was eventually adopted by the International Astronomical Union (IAU) on 2015. Karsh is named for the Armenian-Canadian photographer Yousuf Karsh. The craters Carolan, Enheduanna, Kulthum, and Rivera were also named as part of the contest.
Kulthum is a crater on Mercury. It has a diameter of 31 kilometers. Its name was suggested by Molouk Ba-Isa from Saudi Arabia, Swiss individual Riana Rakotoarimanana, and American residents Yehya Hassouna, David Suttles, Thorayya Said Giovannelli and Matt Giovannelli in a naming contest which was eventually adopted by the International Astronomical Union (IAU) on 2015. Kulthum is named for the Egyptian singer Umm Kulthum.
Flaiano is a crater on Mercury. It has a diameter of 43 kilometres. Its name was adopted by the International Astronomical Union (IAU) on March 15, 2013. Flaiano is named for the Italian writer Ennio Flaiano. The crater was first imaged by Mariner 10 in 1974.
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