Neil Armstrong (August 5, 1930 – August 25, 2012) was an American astronaut and aeronautical engineer who was the first person to walk on the Moon. He was also a naval aviator, test pilot, and university professor.
Space Junk. Space travel is the most exciting adventure for humanity, but in an irony of history we may stop ourselves from going into space the more we do it. With every rocket launched we are creating a deadly trap for mankind.
Gravitational pull for objects in our solar system.
