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The astronomer William Herschel made a detailed catalog of nebulosity and clusters, and in 1781 discovered the planet Uranus, the first new planet found
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Fraunhofer discovered about 600 bands in the spectrum of the Sun in 1814–15,
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1859, Kirchhoff ascribed to the presence of different elements.
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The Hubble Space Telescope's launch in 1990 sped humanity to one of its greatest advances in that journey
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we would b able to travel at light speed even though its not perfected yet