SpaceX has offered holiday greetings via a spot of synchronized rocket-engine nozzle steering. The quirky 65-second video — which includes the message: “Wishing you a warm holiday season and a lit New Year” — begins with a view looking directly up at the base of SpaceX’s Super Heavy booster, the most powerful rocket ever to fly. It shows the Super Heavy’s 33 Raptor engines, which up to now have powered the first-stage Super Heavy and upper-stage Starship spacecraft to orbit on six test flights from SpaceX’s Starbase site in Boca…