Martian rocks andoutcrops have been studiedin-situ by variouslanders androvers. While many of the rocks identified on the Martian surface are similar to each other, some have been considered scientifically important or otherwise notable and have been subjected to more extensive study or public interest.
Names for Marsrocks are largely unofficial designations used for ease of discussion purposes, as theInternational Astronomical Union's officialMartian naming system declares that objects smaller than 100 m (330 ft) are not to be given official names.[1] Because of this, some less significant rocks seen in photos returned by Mars rovers have been named more than once, and others have even had their names changed later due to conflicts or even matters of opinion among researchers. Often rocks are named after the children or family members of astronauts or NASA employees.[citation needed]
The rocks at the landing site of theSojourner rover were given names of cartoon characters. Among them were Pop Tart, Ender, mini-Matterhorn, Wedge, Baker's Bench, Scooby Doo, Yogi, Barnacle Bill, Pooh Bear, Piglet, the Lamb, the Shark, Ginger, Souffle, Casper, Moe, and Stimpy. A dune was called Mermaid Dune, and a pair of hills were named Twin Peaks.[2][3][4]
Sojourner rover (Mars Pathfinder 1997):
Spirit rover (Mars Exploration Rover, 2004 – 2010):
Opportunity rover (Mars Exploration Rover, 2004 - 2018):
Curiosity rover (Mars Science Laboratory, 2012 - present):
Perseverance rover (Mars 2020, 2020 - present):
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