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.
The first unmanned craft to reach the moon was the Russian Luna 2 on September 15 1959. This neither orbited or soft-landed, but crashed into the surface. The first actual unmanned soft-landing was Luna 9 on 3 February 1966.