Polar Lander, a robot to probe water on Mars was launched on

Options :
  1. January 11, 1998
  2. January 3, 1999
  3. January 13, 2000
  4. January 3, 2001

Answer and Explanation :-

Answer: Option 2


The Mars Polar Lander, also known as the Mars Surveyor '98 Lander, was a 290-kilogram robotic spacecraft lander launched by NASA on January 3, 1999 to study the soil and climate of Planum Australe, a region near the south pole on Mars.

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