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royal | 17:10 Tue 11th Jul 2006 | Science
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when the space shuttle is about to take of, why do they say t-minus?
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Avatar Image baileys
http://en.wikipedia.org/wiki/T-minus here you go Royal
17:18 Tue 11th Jul 2006
Avatar Image ugly_bob
t is the time of lift-off (or whatever else the countdown is for), so t minus 5 minutes is 5 minutes before (less) than the event.
17:36 Tue 11th Jul 2006
Avatar Image brachiopod
....and after take-off, mission time is then "t-plus"
20:20 Tue 11th Jul 2006
Avatar Image Sphinx_Svens
Maybe is counting down to a nice cup of tea?
00:56 Wed 12th Jul 2006
Avatar Image baileys
come on brachiopod,whats my coordinates ? i mean, a man of your talents
01:55 Wed 12th Jul 2006

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