Gilbert (Martian crater)

Gilbert (crater on Mars)
Planet	Mars
Coordinates	68°00′S 86°18′E / 68°S 86.3°E / -68; 86.3Coordinates: 68°00′S 86°18′E / 68°S 86.3°E / -68; 86.3
Diameter	126 km
Eponym	Grove K. Gilbert

Gilbert is a large Martian crater located in the south of the planet in the area of Promethei Terra. It is one of several large craters in the heavily pock-marked upland region. It was named in 1973 in honour of American geologist Grove K. Gilbert.^[1]

References

↑ http://planetarynames.wr.usgs.gov/Feature/2160?__fsk=682999780

Mars

Geography
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Atmosphere	Circulation Climate Dust devil tracks Methane

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Features	Mountains by height Plains Plateaus Canyons Chaos terrain Valleys Gullies Outflow channels Valley network Fossae Mensae Labyrinthi Catenae Craters Observed rocks

Geology	Brain terrain Canals (list) Carbonates Chaos terrain Color Composition Concentric crater fill Dark slope streak Dichotomy Fretted terrain Geysers Glaciers Groundwater Gullies Lakes Lava tubes Lobate debris apron Meteorites on Earth on Mars North Polar Basin Ocean hypothesis Ore resources Polar caps Recurring slope lineae (RSL) Ring mold craters Rootless cones Seasonal flows Soil Spherules Surface "Swiss cheese" feature Terrain softening Tharsis bulge Volcanology Water Yardangs

History	Amazonian Hesperian Noachian Observation history Classical albedo features

Astronomy

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Asteroids	Mars-crossers 2007 WD5 Trojans 5261 Eureka 1998 VF₃₁ 1999 UJ₇ 2007 NS₂

Comets	C/2013 A1 (Siding Spring) (Mars close approach, 19 Oct 2014)

Exploration
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Current

Past

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Proposed

Robotic	Icebreaker Life Mars 2022 orbiter Mars Geyser Hopper Mars-Grunt MELOS MetNet Northern Light PADME Phobos Surveyor Phootprint

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Abandoned	Caves of Mars Project Mars Piloted Orbital Station SCIM TMK

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Artificial objects on Mars
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- Darian calendar

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