Sputnik 1, launched on Oct.4, 1957, became the first artificial satellite to successfully orbit the Earth. 1.Sputnik-1 2.Sputnik-2 But the most amazing thing is that oh Sputnik-2, a … Sputnik 2, the first spacecraft to carry a living animal (the dog Laika), launched 3 November 1957 . Sputnik 2, the first spacecraft to carry a living animal (the dog Laika), launched 3 November 1957. reentered Earth's atmosphere on 14 April 1958 after 162 days in orbit. this one carried the dog Laika. Sputnik 3 Sputnik 3, the first multipurpose space-science satellite placed in orbit. Sputnik 3, a research satellite launched 15 May 1958. reentered Earth's atmosphere on April 6, 1960, about 2 years. Sputnik 1, launched on Oct.4, 1957, became the first artificial satellite to successfully orbit the Earth.

The apogee of the orbit occurred high over the south pole, where it would have penetrated well into the radiation belt, but that data was never seen. reentered Earth's atmosphere on 14 April 1958 after 162 days in orbit. It was a metallic sphere about 2 feet across, weighing 184 lbs (84 kg), with long "whiskers" pointing to one side, and stayed in orbit for 6 months before falling back to Earth. Only 2 sputniks were sent into space: SPUTNIKS WERE THE ONLY SATELLITES THAT WERE ROUND AND VERY SMALL. The Soviet Sputnik program consisted of four satellites, three of which reached Earth orbit. It was a metallic sphere about 2 feet across, weighing 184 lbs (84 kg), with long “whiskers” pointing to one side, and stayed in orbit for 6 months before falling back to Earth. this one carried the dog Laika. Launched May 15, 1958, by the Soviet Union, it made and transmitted measurements of the pressure and composition of Earth's upper atmosphere, the concentration of charged particles, and the influx of primary cosmic rays. 0 3 0. As Sputnik 2 wasn't designed to return safely to Earth, Soviet space engineers had planned to euthanise Laika in orbit.But while she undoubtedly died in space, her precise fate remains unclear as the radio link to Earth broke after a few orbits. The signal from Sputnik-2 could only be received over the territory of the USSR. the first genuine research satellite. Its rocket booster, weighing 4 tons, also reached orbit and was easily visible from the ground. ...burned up - the fate that befell Sputnik in 1958, for instance - or because they’re still in orbit around the Earth, or sitting on other celestial bodies. Sputnik 3, a research satellite launched 15 May 1958. reentered Earth's atmosphere on April 6, 1960, about 2 years. Is the Body of Laika the Dog Still Floating in Space? But the original Sputnik, after over 1400 orbits, had already fallen back to Earth.

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