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in 1999 NASA lost a $125M Mars orbiter because of a calculation error. The mistake occurred because Lockheed Martin engineers used English (inch, ft) measurements in their calculations in contrast to NASA’s metric (cm, m) calculations.

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Fun Fact: in 1999 NASA lost a $125M Mars orbiter because of a calculation error. The mistake occurred because Lockheed Martin engineers used English (inch, ft) measurements in their calculations in contrast to NASA’s metric (cm, m) calculations.

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