Tsander is a large
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 on the
far side
''The Far Side'' is a single-panel comic created by Gary Larson and syndicated by Chronicle Features and then Universal Press Syndicate, which ran from December 31, 1979, to January 1, 1995 (when Larson retired as a cartoonist). Its surrealis ...
of the
Moon
The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...
. Attached to the southeastern outer rim is the younger crater
Kibal'chich. To the northwest lies
Dirichlet, and to the northeast lies
Artem'ev.
This is a heavily worn crater formation with an outer rim that has been rendered into an uneven, somewhat circular range due to impact erosion. There is a significant outward bulge along the rim edge to the south-southwest. A smaller crater lies across the rim to the west-northwest. The interior floor has low ridges and uneven areas most likely as the result of large deposits of ejecta. There is a cluster of small craters near the midpoint of the interior, and the worn remains of a pair of older impacts in the north and west.
Tsander lies to the southeast of the
Dirichlet-Jackson Basin.
This crater takes its name from the Cyrillic rendering of
Friedrich Zander
Georg Arthur Constantin Friedrich Zander (also Tsander, russian: Фридрих Артурович Цандер, tr. ; lv, Frīdrihs Canders, – 28 March 1933), was a Baltic German pioneer of rocketry and spaceflight in the Russian Empire an ...
, an early developer of
rocket engine
A rocket engine uses stored rocket propellants as the reaction mass for forming a high-speed propulsive jet of fluid, usually high-temperature gas. Rocket engines are reaction engines, producing thrust by ejecting mass rearward, in accordanc ...
s.
Satellite craters
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Tsander.
References
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Impact craters on the Moon