Philip TAYLOR wrote:
Daniel wrote:
From the linked article:-
" If the rover crashed — a real possibility considering it would be
slamming into the atmosphere at 13,000 mph (921,000 k/h),"
I hope it wasn't someone from NASA that did that maths, as I believe
there is only 1.609km per mile, so 13,000 mph would only be 21,000 k/h
approx!!!
(Wonders where the extra 900,000 k/h came from!!)
The author (or, more likely, the copy editor) lost two
leading digits and moved the decimal point; the figure
that was intended was 20921.472 km/hr.
Philip Taylor
so 20,921.472km/h became 921.472km/h (and, as some countries use a dot
in place of a comma in numbers (e.g. France, I think)) that became
921,472 or 921,000 approx!!
--
Daniel
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