Schmidt is a small
lunar
Lunar most commonly means "of or relating to the Moon".
Lunar may also refer to:
Arts and entertainment
* ''Lunar'' (series), a series of video games
* "Lunar" (song), by David Guetta
* "Lunar", a song by Priestess from the 2009 album ''Prior t ...
impact crater
An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact crater ...
that is located near the southwest edge of
Mare Tranquillitatis
Mare Tranquillitatis (Latin ''tranquillitātis'', the Sea of Tranquillity or Sea of Tranquility; see spelling differences) is a lunar mare that sits within the Tranquillitatis basin on the Moon. It is the first location on another world to be ...
, to the southwest of the
Ritter
Ritter (German for "knight") is a designation used as a title of nobility in German-speaking areas. Traditionally it denotes the second-lowest rank within the nobility, standing above " Edler" and below "Freiherr" (Baron). As with most titles a ...
–
Sabine
The Sabines (; lat, Sabini; it, Sabini, all exonyms) were an Italic people who lived in the central Apennine Mountains of the ancient Italian Peninsula, also inhabiting Latium north of the Anio before the founding of Rome.
The Sabines di ...
crater pair. It was named after German astronomer
Johann Friedrich Julius Schmidt
Johann Friedrich Julius Schmidt (25 October 1825 in Eutin, Germany – 7 February 1884 in Athens, Greece) was a German astronomer and geophysicist. He was the director of the National Observatory of Athens in Greece from 1858 to 1884. Julius Schmi ...
, German optician
Bernhard Schmidt
Bernhard Woldemar Schmidt (, Nargen – 1 December 1935, Hamburg) was an Estonian optician. In 1930 he invented the Schmidt telescope which corrected for the optical errors of spherical aberration, coma, and astigmatism, making possible for t ...
and Soviet astronomer
Otto Schmidt
Otto Yulyevich Shmidt, be, Ота Юльевіч Шміт, Ota Juljevič Šmit (born Otto Friedrich Julius Schmidt; – 7 September 1956), better known as Otto Schmidt, was a Soviet scientist, mathematician, astronomer, geophysicist, statesm ...
.
This formation is circular and bowl-shaped, with little appearance of wear due to subsequent impacts. The interior has a higher
albedo
Albedo (; ) is the measure of the diffuse reflection of solar radiation out of the total solar radiation and measured on a scale from 0, corresponding to a black body that absorbs all incident radiation, to 1, corresponding to a body that refl ...
than the surrounding terrain, giving it a light appearance. The exterior consists of hummocky terrain with many boulders, ranging up to 100 m or more in diameter.
References
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External links
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* {{cite web, url=http://www.lpod.org/?page_id=1358 , title=Schmidt's Map Reviewed (1879), publisher= Lunar Photo of the Day (separate section), url-status=dead, archive-url=https://web.archive.org/web/20150629235633/http://www.lpod.org/?page_id=1358, archive-date=June 29, 2015
Impact craters on the Moon