Major discoveries that changed our understanding of the universe.docx

Major discoveries that changed our understanding of the universe.docx

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Major discoveries that changed our understanding of the universe In April 1990, Astronauts stationed the Hubble space telescope in orbit above the blurring effects of earth’s atmosphere. the Hubble space telescope is one of the greatest technological achievement in human history. For twenty years the world has marveled at its astonishing images of our solar system and many wonders beyond such as Jupiter sized exoplanets which orbit a star outside the solar system, black holes, galaxies and from birth and evolution of stars to the brightest exploding supernovas. (9) The age of the universe One of Hubble’s earliest and most profound discoveries was its precise measurement of the age of the universe using a very special kind of massive and luminous star known as Cepheid variable star whose pulses correspond to their intrinsic brightness which allows us to measure their distance. This method allowed us to measure distances to an unimaginable scale. Also
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