The International Geophysical Year, also referred to as the third International Polar Year, was an international scientific project that lasted from 1 July 1957 to 31 December 1958. It marked the end
A replica of Sputnik 1, which was launched into orbit on October 4, 1957
A commemorative stamp issued by Japan in 1957 to mark the IGY. The illustration depicts the Japanese Research Ship Sōya and a penguin.
The launch of the satellite Explorer 1 on February 1, 1958
IGY Antarctica infographic
Sputnik 1, often referred to as simply Sputnik, was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet
International Geophysical Year
…formation of some 48 operational Antarctic bases. The Soviet Union and the U.S. both launched artificial satellites during the IGY; the Soviet Union's Sputnik 1, launched on October 4, 1957, was the first successful artificial satellite. Other significant achievements of the IGY included the discovery of the…
Replica of Sputnik 1 in the Museum of Space and Missile Technology (Saint-Petersburg)
Last remaining piece of Sputnik 1: metal arming key which prevented contact between batteries and transmitter prior to launch; on display at the Smithsonian National Air and Space Museum
30 kopek USSR stamp depicting Sputnik 1 orbiting the Earth, the Earth orbiting the Sun and the Sun orbiting the centre of the Milky Way galaxy
First ground track of Sputnik 1 on 13 October 1957 4:51 from Rodewisch