Home Forums US Life 지구의 자전속도가 1000mph 지구의 자전속도가 1000mph Home Forums Forums US Life 지구의 자전속도가 1000mph EditDelete 1111 73.***.159.95 2015-12-1523:08:40 Where did that 11 km/s come from ? An air ballon can go to space, so you don’t need that speed to go to space.
