Science outer space timeline

firt sattellite in space

Oct 4, 1957

Sputnik
On Friday, October 4, 1957, the Soviets had orbited the world's first artificial satellite. Anyone who doubted its existence could walk into the backyard just after sunset and see it. Initially U.S. President Eisenhower was not surprised by Sputnik.

Echo one

Aug 12, 1960

marinarer 4

Nov 28, 1964

lunar orbitar #1

Aug 10, 1966

landsat#1

Jul 23, 1972