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Was 1st to observe that nebulas were moving away from earth.
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Russian scientist to 1st suggest the expansion of the universe.
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Mathematician who developed the Big Bang Theory.
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Proposed the law of red shifts, which states that galaxies moving away from earth stretch out light, causing the wavelength to be longer (red).
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Astronomer who first hypothosized about dark matter. While calculating the mass of galaxies, he disovered that the mass ws much higher than was expected by their brightness.
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this antenna was built to support Nasa's project Echo, which was a ballon set into space as a reflector of microwave signals.
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Astronomers who discovered cosmic microwave backgroud radiation. this provided evidence that the Big Bang caused extreme heat that is still measurable today.
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Allowed to see deeper into space than any telescope before it.
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NASA launched this telescope to search for radiation in the universe. Successfully mapped really old cold and hot spots. these re related to the gravitational fields from the early universe.
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Scientists discovered that instead of pulling together, dark energy pushes the apart and accelerates separation.
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Wilkinsin Microwave Anisotropy Probe was launched to study the early universe by measuring cosmic microwave background radiation, and produced the first full-sky microwave map.
