Pathfinder
/ˈpɑːθfaɪndə(r)/
/ˈpæθfaɪndər/
- a US spacecraft that landed on the planet Mars in July 1997 and sent back to Earth many pictures of the planet's surface. This was the first trip to Mars since the two Viking spacecraft landed there in 1976. see also Sojourner
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Pathfinder