What is a Mars rover?
Quick Answer
A Mars rover is a robotic vehicle designed to drive across the surface of Mars and collect scientific data. Rovers study rocks, soil, climate, and signs of past water.
The Full Story
Mars rovers are mobile robots built to explore the Martian surface in detail. Unlike orbiters, rovers can analyze rocks and soil directly, taking images and using onboard laboratories to study chemistry and geology. NASA’s Sojourner became the first rover on Mars in 1997, followed by Spirit and Opportunity, Curiosity, and Perseverance. Perseverance, which landed in 2021, is searching for signs of ancient microbial life and collecting samples for possible return to Earth.
Key Facts
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