On Oct. 4th, 1957, at 10:29 PM Moscow time, the Soviet Union successfully launched Sputnik 1 into space on a repurposed R-7 rocket. The world’s first artificial satellite, Sputnik was about 22 inches (58 centimeters) in diameter and weighed 184 pounds (84 kilograms). Although there were no scientific instruments aboard, the transmitter it carried sentContinue reading "Oct. 4th, 1957: Sputnik launches"

The post Oct. 4th, 1957: Sputnik launches appeared first on Astronomy Magazine.

A 12-ton rocket loaded with a 1-ton warhead, the V-2’s successful launch would prove to be exceptionally significant to both the military and to space exploration. On Oct. 3, 1942, the V-2 was fired from Peenemunde, Germany – its fourth test, and the first to succeed. The rocket rose to an altitude of 60 milesContinue reading "Oct. 3, 1942: The V-2 successfully launches"

The post Oct. 3, 1942: The V-2 successfully launches appeared first on Astronomy Magazine.