Liu Hsin (crater)
Liu Hsin (crater)
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 Gullies in Liu Hsin Crater, as seen by HiRISE under HiWish program. Curved lines on crater floor may be remains of old glaciers. | |
| Planet | Mars |
|---|---|
| Region | Phaethonis quadrangle |
| Coordinates | 53°36′S 171°36′W / 53.6°S 171.6°W / -53.6; -171.6Coordinates: 53°36′S 171°36′W / 53.6°S 171.6°W / -53.6; -171.6 |
| Diameter | 137 km |
| Eponym | Liu Xin (Liu Hsin) |
Liu Hsin Crater is a crater in the Phaethontis quadrangle of Mars, located at 53.6°S latitude and 171.6°W longitude. It is 137.0 km in diameter and was named after Liu Xin. Liu Hsin (also spelled Xin) was a Chinese astronomer, historian, and editor during the Western Han Dynasty (206 BCE to 9 CE) and the Xin Dynasty (9 to 23 CE).[1]
The name was approved in 1973 by the International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN).[2]
Its surrounding craters have no names, only one surrounding large named crater is nearby and is Copernicus located about one-third of the crater diameter north.
Dunes[edit]
Liu Hsin Crater shows some barchan dunes. When there are perfect conditions for producing sand dunes, steady wind in one direction and just enough sand, a barchan sand dune forms. Barchans have a gentle slope on the wind side and a much steeper slope on the lee side where horns or a notch often forms.[3]
Liu Hsin Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter).
Dunes in Liu Hsin Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter). Dark lines are dust devil tracks. Note: this is an enlargement of a previous image of Liu Sin Crater.
Dust devil tracks in Liu Hsin Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter). Gullies can also be seen on the crater wall, near the bottom of picture. Note: this is an enlargement of a previous image of Liu Sin Crater.
See also[edit]
- Barchan
- Climate of Mars
- Dunes
- Dust devil tracks
- Geology of Mars
- Glaciers
- Glaciers on Mars
- Impact crater
- Impact event
- List of craters on Mars
- Martian gullies
- Ore resources on Mars
- Planetary nomenclature
References[edit]
^ http://www.uahirise.org/ESP_038896_1255
^ "Gazetteer of Planetary Nomenclature | Liu Hsin". usgs.gov. International Astronomical Union. Retrieved 4 March 2015.
^ Pye, Kenneth; Haim Tsoar (2008). Aeolian Sand and Sand Dunes. Springer. p. 138. ISBN 9783540859109.
Categories:
- Phaethontis quadrangle
- Impact craters on Mars
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