sputnik

Sputnik is a Russian satellite launched in 1957 October 4th  by the Soviet Union. this satellite was used to help identify the density of earths layers. transfers data through radion signal Sputnik also could warn us of meteoroids. When it first was made and was up and flying people didnt know what it looked like they say that they created a new era and they have gone ahead of U.S.A in technology. every day sputnik would pass the United States of America about seven times a day. Sputnik number two was lunched november 3,1957 this craft was first to carry a living creature it was a dog named laika. it had compartments for radio transmitters, a telemetry system ,a programming unit, a regeneration and temperature control system for the cabin.

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