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- Europe has been dependent on Elon Musk's SpaceX to reach space — but that could be about to change.
- The Ariane 6, Europe's answer to SpaceX's Falcon 9 rocket, is set to launch on Tuesday.
- Officials hope it will compete with SpaceX's rockets, but Elon Musk isn't so sure.
SpaceX is dominating the global space industry — but Europe is hoping a new rocket will change that.