Yeah, it's very plausible that if another civilization exists some 10 light years away, the vehicle they use to travel 90,460,730,472,580 Km in order to get to

Yeah, it's very plausible that if another civilization exists some 10 light years away, the vehicle they use to travel 90,460,730,472,580 Km in order to get to Earth has the size of a compact car and copies the design of a 1950s experimental aircraft.