page_title: Cape Tribulation (Mars)
hierarchical_section_title: Cape Tribulation (Mars)
caption_attribution_description: This orbital image of the western rim of Mars' Endeavour Crater covers an area about 5 miles (8 kilometers) east-west by about 9 miles (14 kilometers) north-south and indicates the names of some of the raised segments of the rim.
context_page_description: Cape Tribulation is a section of the Western rim of Endeavour crater on the planet Mars. The MER-B Opportunity rover spent 30 months exploring Cape Tribulation from 2014 to 2017. The top of Cape Tribulation is about 134 meters higher than the plains that surround the crater.
  The MER-B Opportunity rover summited Cape Tribulation in January 2015, which was the highest Martian elevation achieved yet on its mission. Then in March 2016 it accomplished the distance of a classic marathon. Also in March 2016 it achieved the steepest slope traverse yet of its mission, surpassing the slope it took on at Burns Cliff in 2004. MER-B was trying to reach a target on Knudsen Ridge, on the south side of Marathon Valley, which meant attempting a steep grade which can cause wheel slippage. Another effect of this angle was that sand and dust that had collected on the rover flowed in streaks over the back of the rover, such was the incline.
  Examples of locations:
  Cape Tribulation Summit
  Marathon Valley
  Knudsen ridge
  Wharton Ridge
  Spirit of Saint Lois Crater
  Spirit Mount
context_section_description: Cape Tribulation is a section of the Western rim of Endeavour crater on the planet Mars. The MER-B Opportunity rover spent 30 months exploring Cape Tribulation from 2014 to 2017. The top of Cape Tribulation is about 134 meters (440 feet) higher than the plains that surround the crater.
  The MER-B Opportunity rover summited Cape Tribulation in January 2015, which was the highest Martian elevation achieved yet on its mission. Then in March 2016 it accomplished the distance of a classic marathon. Also in March 2016 it achieved the steepest slope traverse (32 degree) yet of its mission, surpassing the slope it took on at Burns Cliff in 2004. MER-B was trying to reach a target on Knudsen Ridge, on the south side of Marathon Valley, which meant attempting a steep grade which can cause wheel slippage.  Another effect of this angle was that sand and dust that had collected on the rover flowed in streaks over the back of the rover, such was the incline.
  Examples of locations:
  Cape Tribulation Summit
  Marathon Valley
  Knudsen ridge
  Wharton Ridge
  Spirit of Saint Lois Crater
  Spirit Mount
  Endeavour crater is a 14-mile (22 km) wide crater on Mars, that was explored by the MER-B Rover Opportunity in the 2010s, after landing on the planet in 2004.
caption: Annotated map with location of Cape Tribulation, on Endeavour crater's western rim
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