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  • Timeline of United States inventions (1946–1991) - Wikipedia

    2021-8-24 · A space observatory is any instrument, such as a telescope, in outer space which is used for observation of distant planets, galaxies, and other outer space objects. In 1946, American theoretical astrophysicist Lyman Spitzer was proposed the idea of a telescope in outer space, a decade before the Soviet Union launched the first artificial satellite, Sputnik into orbit.

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  • Timeline of United States inventions (1946–1991) - Wikipedia

    2021-8-24 · A space observatory is any instrument, such as a telescope, in outer space which is used for observation of distant planets, galaxies, and other outer space objects. In 1946, American theoretical astrophysicist Lyman Spitzer was proposed the idea of a telescope in outer space, a decade before the Soviet Union launched the first artificial satellite, Sputnik into orbit.

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  • Timeline of United States inventions (1946–1991) - Wikipedia

    2021-8-24 · A wetsuit is a garment, usually made of foamed neoprene, which is worn by divers, windsurfers, canoeists, and others engaged in water sports, providing thermal insulation, abrasion resistance and buoyancy. The insulation properties depend on bubbles of gas enclosed within the material, which reduce its ability to conduct heat.

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