Space Race-AH5

Launch of Sputnik I

Jan 1, 1957

Explorer 1, the first American satellite to reach orbit, is launched. It carried scientific equipment that lead to the discovery of the Van Allen radiation belt.

Explor 1

Mar 5, 1958

Explorer 1, the first American satellite to reach orbit, is launched. It carried scientific equipment that lead to the discovery of the Van Allen radiation belt.

The first satellite

Mar 17, 1958

Explorer 1, the first American satellite to reach orbit, is launched. It carried scientific equipment that lead to the discovery of the Van Allen radiation belt.

The Nations Aeronautics and space Adimistrations

Oct 1, 1958

Explorer 1, the first American satellite to reach orbit, is launched. It carried scientific equipment that lead to the discovery of the Van Allen radiation belt.

Pioneer 1 is launched to a height

Oct 11, 1958

Pioneer 1 is launched to a height of 70,700 miles.