is sputnik still in orbit
NASA | History
Sputnik and the Dawn of the Space Age History changed on October 4, 1957, when the Soviet Union successfully launched Sputnik I. The world''s first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit Earth on its elliptical path.
Laika
Laika (/ˈlaɪkə/ LY-kə; Russian: Лайка, IPA: [ˈlajkə]; c. 1954 – 3 November 1957) was a Soviet space dog who was one of the first animals in space and the first to orbit the Earth. A stray mongrel from the streets of Moscow, she flew aboard the Sputnik 2 spacecraft, launched into low orbit on 3 November 1957. As the technology to ...
Sputnik 1
On Oct. 4, 1957, Sputnik 1 successfully launched and entered Earth''s orbit. Thus, began the space age. The successful launch shocked the world, giving the former Soviet Union the distinction of putting the first human-made object into space. The word ''Sputnik'' originally meant ''fellow traveler,'' but has become synonymous with ''satellite.''
Sputnik 2
Spacecraft. Sputnik 2 was a 4-metre-high (13 ft) cone-shaped capsule with a base diameter of 2 metres (6.6 ft) that weighed around 500 kilograms (1,100 lb), though it was not designed to separate from the rocket core that brought it to orbit, bringing the total mass in orbit to 7.79 tonnes (17,200 lb). [7]
Sputnik 1
OverviewEtymologyBefore the launchDesignLaunch and missionReceptionLegacySurviving examples
Sputnik 1 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 space program. It sent a radio signal back to Earth for three weeks before its three silver-zinc batteries became depleted. Aerodynamic drag caused it to fall back into the atmosphere on 4 January 1958. The world''s first observation was mad…
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