Riddles Random Riddle: The Space Shuttle March 8, 2025February 8, 2025 gags Why is it that a plane is allowed to take off and fly in a thunderstorm, but the space shuttle is not? Show answer The exhaust plume of the space shuttle effectively grounds the space shuttle for a considerable part of its initial flight. Therefore, the shuttle could be struck by lightning. A plane is not grounded, so it does not conduct lightning.