Cruls^[1]

Martian impact crater Cruls based on Mars Odyssey Orbiter THEMIS IR image.[2]
Planet	Mars
Coordinates	42°55′S163°02′E / 42.91°S 163.03°E /-42.91; 163.03
Quadrangle	Eridania
Diameter	87.89 km
Eponym	Luís Cruls, Brazilian astronomer.

Cruls is animpact crater in theEridania quadrangle onMars at 42.91° S and 163.03° E. and is 87.89 km in diameter. Its name was assigned in 1973 by theInternational Astronomical Union, in honor of Brazilian astronomerLuís Cruls.^[1] Evidence of previous glacial activity is evident in images.^[3]

Glaciers, loosely defined as patches of currently or recently flowing ice, are thought to be present across large but restricted areas of the modern Martian surface, and are inferred to have been more widely distributed at times in the past.^[4][5]

• 
  Close-up of Glacial Flow Features in Cruls Crater, HiRISE,Mars Reconnaissance Orbiter
• 
  Cruls Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter). Arrows indicate old glaciers.
• 
  Old glaciers in Cruls Crater, as seen by HiRISE underHiWish program.
• 
  This topographic map was created using Mars Orbiter Laser Altimeter (MOLA) technology on the Mars Global Surveyor spacecraft. This image is a screenshot of RedMapper's website and shows the north rim of Cruls crater.
• 
  This topographic map was created using Mars Orbiter Laser Altimeter (MOLA) technology on the Mars Global Surveyor spacecraft. This image is a screenshot of RedMapper's website and shows the south rim of Cruls crater.

• List of craters on Mars

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