Hale (Martian crater)

Hale (Martian crater)

MarsGeo-Crater
name=Hale
diameter=137.5 km
latitude=35.7
N_or_S=S
longitude=323.4
E_or_W=E
eponym=George Ellery Hale

Hale is a 150 by 125 km crater at 35.7°S, 323.4°E on Mars, just north of Argyre basin. It was created by an asteroid roughly 35 km across that impacted at an oblique angle about 3.5 to 3.8 billion years ago. The rim and ejecta are eroded and show smaller impacts, but subsequent deposits have covered up small craters within it. [cite journal| url= http://pqasb.pqarchiver.com/skyandtelescope/access/886787761.html?dids=886787761:886787761&FMT=CITE&FMTS=CITE:PAGE&date=Jun+2005&author=Robert+Naeye&desc=Mars's+Hale+Crater| journal=Sky and Telescope| title=Mars's Hale Crater| first=Robert| last= Naeye| month=Jun| year= 2005] On the southern rim of Hale, parts of the crater wall have moved downslope towards the crater’s centre. The surface shows a network of fluvial channels which may have been caused by running water. [ [http://www.esa.int/SPECIALS/Mars_Express/SEM8AVWJD1E_0.html ESA - Mars Express - Crater Hale in Argyre basin ] ]

It is named after George Ellery Hale.

References

External links

* [http://www.esa.int/SPECIALS/Mars_Express/SEM8AVWJD1E_0.html Perspective views of Hale crater from Mars Express]
* [http://hirise.lpl.arizona.edu/PSP_003209_1445 Gullies in Hale crater]


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