We are 
Moments intenses qui me manquent beaucoup . .
T+01 second: Ignition of main stage engine
T+07 seconds: Ignition of solid fuel boosters
T+07.3 seconds: Lift off.
We’re all set. How about you? Flight 253. Coming soon.
#ArianeGroup #Flight253pic.twitter.com/N0i04LIkvl
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Vous pourrez suivre tout ça en live !
#ArianeGroup#Flight253 - Show replies
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Why is liftoff at T+7 instead of T-0?
@ArianeGroup@Arianespace -
Yeah seems weird that they define T-0 as ignition sequence start and not T-0 as Liftoff
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Lancement à quelle heure ?
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