Apollo 11 astronauts Neil Armstrong and Edwin 'Buzz' Aldrin, 1969.
© National Aeronautics & Space Administration / Science & Society
The astronauts are preparing to move the pasive seismometer, which they will leave on the Moon to record moonquakes, during a practise sesion of their lunar activities at the Manned Spacecraft Centre (now Johnson Space Centre) Houston, Texas. Apollo 11, the first manned lunar landing mision, was launched on 16th July 1969 and Armstrong and Aldrin became the first and second men to walk on the Moon on 20th July 1969. The third member of the Apollo 11 crew was Michael Collins, who remained in lunar orbit while Armstrong and Aldrin were on the surface.