The Mars orbiter lost to the wrong units
One ground program wrote pound-seconds, the navigation software read newton-seconds, and after a 9-month cruise Mars Climate Orbiter arrived about 170 km too low.
01 · Pound-seconds
WS · NASA lost a Mars orbiter because one file used the wrong units
Pound-seconds or newton-seconds?
Wrote pounds. Read newtons.
One program wrote pound-seconds.
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