Rover (space exploration) it landed on the Martian Meridiani Planum on January 25, 2004 at 05:05 Ground UTC (about 13:15 local time), three weeks after its twin "Spirit" (MER-A) touched down on the other side of the planet. On July 28, 2014, NASA announced that "Opportunity", after having traveled over on the planet Mars, has set a new "off-world" record as the rover having driven the greatest distance, surpassing the previous record held by the Soviet Union's Lunokhod 2 rover that had traveled . () On 26 November 2011, NASA's Mars Science Laboratory mission was successfully launched for Mars. The mission successfully landed
Opportunity (rover) ceased communications on June 10 and entered hibernation on June 12, 2018. It was hoped it would reboot once the atmosphere cleared, but it did not, suggesting either a catastrophic failure or that a layer of dust has covered its solar panels. NASA hopes to reestablish contact with the rover, citing a windy period that could potentially clean off the solar panels of the rover. The primary surface mission for "Opportunity" was planned to last 90 sols (92 Earth days). The mission has received several extensions and has been operating for days since landing. An archive of weekly updates on