- - Vehicle that explores the Red Planet (2 wds.)
- - Red Planet vehicle
- - Red Planet explorer
- - Explorer at the beginning of 16, 27, 44, or 55 Across
- - perseverance, e.g.
- - Curiosity or Opportunity
- - Dog who works as an astronaut?
- - Opportunity, e.g
- - NASA's Curiosity, e.g.
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