www.FreeScienceLectures.com On one of the Moon missions, NASA astronauts decided to prove Galileo Galilei right. He reasoned that if there was no atmosphere, no dragging force then two objects of different mass falling from the same height would hit the ground at the same time. The astronomer drops a hammer and a feather on the surface of the Moon. — It’s Never too Late to Study www.FreeScienceLectures.com — Notice This video is copyright by its respectful owners. The website address on the video does not mean anything. —