Date Of Birth:
4 July 1997
Place Of Birth:
Best Known As:
The first rolling robot to land on Mars
The Sojourner rover is an exploratory robot which landed on Mars on July 4, 1997. Sojourner was part of NASA's Mars Pathfinder mission, dedicated to exploring the surface of Mars. (It was officially named "Sojourner Truth" after the famous American abolitionist.) As planned, Sojourner rolled around the planet's surface taking scientific readings of various bits of rock and soil. The plucky robot remained active for just a few months, until September 1997, when its communications with Earth were finally cut off due to failing power.
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