'Launched Oct. 4th, 1957, it was Earth's 1st artificial satellite'
Sputnik
ASTRONOMY: Launched Oct. 4th, 1957, it was Earths 1st artificial satellite
Launched Oct. 4th, 1957, it was Earth's 1st artificial satellite
Launched Oct. 4th, 1957, it was Earth's 1st artificial satellite
ASTRONOMY
Sputnik
ASTRONOMY