PredictionBook is now read-only ( read more ).

SpaceX will launch a Falcon Heavy before the end of 2017. Any launch leaving the ground satisfies this, even if it fails during ascent, or carries only a test payload.

Created by atomicspacemann on 2017-01-23; known on 2018-01-01; judged wrong by PseudonymousUser on 2018-01-01.