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[TracyCoxx]

Originally Posted by Jenae LaTorque

The Mars Climate Orbiter was intended to enter orbit at an altitude of 140-150 km (460,000-500,000 ft.) above Mars. However, a navigation error caused the spacecraft to reach as low as 57 km (190,000 ft.). The spacecraft was destroyed by atmospheric stresses and friction at this low altitude

Ah yes. I was thinking of the Mars Observer. But then come to think of it, that one probably blew up too.