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A notable discovery in February 2013 was the transient appearance of a third Van Allen Radiation Belt, which lasted a few weeks and provided new insights into the belts' structure and dynamics. [37] The probes also revealed the long-term behavior of Earth's ring current, a major component of the magnetosphere.
Skylab (1973–1974), the first U.S. space station and second overall. In 1971, the Soviet Union developed and launched the world's first space station, Salyut 1. [7] The Almaz and Salyut series were eventually joined by Skylab, Mir, and Tiangong-1 and Tiangong-2. The hardware developed during the initial Soviet efforts remains in use, with ...
[5] Description of a space station in Hermann Noordung's The Problem of Space Travel (1929). At the beginning of the 20th century, there was a burst of scientific investigation into interplanetary travel, inspired by fiction by writers such as Jules Verne ( From the Earth to the Moon , Around the Moon ) and H.G. Wells ( The First Men in the ...
Created Date: 8/30/2012 4:52:52 PM
The Van Allen radiation belts swell and shrink over time as part of a much larger space weather system driven by energy and material that erupt off the Sun's surface and fill the entire Solar System. Space weather is the source of aurora that shimmer in the night sky, but it also can disrupt satellites, cause power grid failures and disrupt GPS ...
[4] [5] 20 February 1947 First animals in space (fruit flies). United States V-2 [4] [6] 24 February 1949: First two-stage liquid-fueled rocket, that sets a record altitude of 244 miles (393 km) (WAC Corporal missile mounted onto a V-2 rocket). United States Bumper-5: 14 June 1949: First mammal in space (Albert II, a rhesus monkey). First ...
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First Earth orbiter [1] [2] Sputnik 2: 3 November 1957 Earth orbiter, first animal in orbit, a dog named Laika [2] [3] [4] Explorer 1: 1 February 1958 Earth orbiter; discovered Van Allen radiation belts [5] Vanguard 1: 17 March 1958 Earth orbiter; oldest spacecraft still in Earth orbit [6] Luna 1: 2 January 1959