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The Arianespace count is just a difference of opinion. The US space industry use T-0 as the moment of departure from the launch pad, whereas the European progra
by sitharus 10y ago
The Arianespace count is just a difference of opinion. The US space industry use T-0 as the moment of departure from the launch pad, whereas the European program uses T-0 as the moment of main engine ignition.
Ariane 5 has aborted after T-0 but prior to igniting the boosters, video here: http://www.space.com/11266-ariane-5-launch-aborted-engine-ignition.html http://www.space.com/11266-ariane-5-launch-aborted-engine-ig...