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
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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