Any of these organs can generate pain, and it is sometimes difficult to pinpoint the exact source of abdominal or pelvic pain. In girls and women, it can stem from the urinary, gastrointestinal or reproductive system.
The first human-made object to reach the surface of the Moon was the Soviet Union 's Luna 2 mission, on 13 September 1959. The United States' Apollo 11 was the first manned mission to land on the Moon, on 20 July 1969.
On May 5, astronaut Alan Shepard became the first American in space (though not in orbit). Later that May, President John F. Kennedy made the bold, public claim that the U.S. would land a man on the moon before the end of the decade.