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29 Aug 2017
2 Aug 2017
Giordano brumo is burnt at the stake. One of his 'crimes' was promoting the heliocentric model of the universe.
Galileo piblishes astronomia nova,
Isaac newten publishes principai mathematica in which, among other things, he explainthe law of universal gravitation
Thormas wright sugget that the milky way galax y a flattened disk of starsand that nebulae might be other galaxies.
Willian herschel constructs the first map of the milky way galaxy
Ernst opik demonstrate s that the andromeda lies outside the milky way galaxy
Some event happened
Georges Lemaitre propose the big bang theory,which suggests that the universe began as a giant explosin of energy
Edwin Hubble discovers evidence of an expanding universe, which supports the big band model
Arno penz and robert wilson discover cosic microwave background raditation ,further evidencesupporting thr big bang model
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