PARIS — Europe’s entire space sector shares the hope that this latest round of guessing about when the Ariane 6 rocket will conduct its inaugural flight will be the last.
Not in terms of what day it will occur, but the last in which the date can move not just by days or weeks, but by months.
The current formal estimate of the 22-nation European Space Agency (ESA), the French space agency, CNES, and prime contractor ArianeGroup is that, barring any bad . . .
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