DailyDirt: 3, 2, 1... Liftoff

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Filed Under: balloons, re-usable rockets, rockets, spacecraft, suborbital, x-37b
Companies: boeing, nasa, spacex

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  1. identicon
    Lawrence D’Oliveiro, 24 May 2016 @ 7:58pm

    For The ESA, It Is “3, 2, 1 ... Ignition”

    Time T (as in “T minus time”) is defined differently by NASA versus the ESA: the former defines it as the moment of liftoff, the latter as the moment of engine ignition. So liftoff happens at T plus a few seconds.

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