Top Results for Mer
Opportunity was a NASA Mars Exploration Rover launched in 2003 and landed on Mars in 2004. Its solar-powered design carried instruments for examining rocks and soil, with the aim of investigating the planet's geological history and evidence of past water. It explored the Martian surface until contac...
Why this score
Legendary 15-year Mars rover mission, extraordinary endurance and science return, broad public acclaim.
Scoring methodology
The Spirit rover was a robotic Mars exploration vehicle that successfully landed in Gusev Crater in January 2004 as part of NASA's Mars Exploration Rover mission. It was designed to analyze rocks and soils to search for evidence of past water activity on the Red Planet. Far exceeding its planned 90-...
Why this score
Far exceeded design life with major geologic discoveries, strong reputation despite eventual immobilization.
Scoring methodology
