The Moon was probably made 4.5 billion years ago. When a large object hit the earth and blasted out rocks that came together. To orbit around the earth. The Moon is much smaller than the earth. It is airless, waterless and lifeless. The gravity of the moon causes to high tides on earth every day. The first person to walk on the moon was the American astronaut Neil Armstrong. He stepped out of his spacecraft. The Eagle on the 21st of July 1965 and said these famous words. That one small step for man giant leap for mankind.