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History
Galactocentrism
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In astronomy, galactocentrism is the theory that the Milky Way Galaxy, home of Earth's Solar System, is at or near the center of the Universe.
Sextans A, a member of the local group of galaxies, which includes the Andromeda and Milky Way spirals, Lowell Observatory, 2013
Sextans A, a member of the local group of galaxies, which includes the Andromeda and Milky Way spirals, Lowell Observatory, 2013
Thomas Wright (astronomer)
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Thomas Wright was an English astronomer, mathematician, instrument maker, architect and garden designer. He was the first to describe the shape of the Milky Way and to speculate that faint nebulæ were distant galaxies.
Portrait of Thomas Wright
Portrait of Thomas Wright
Wright's observatory/folly at Westerton, County Durham
Wright's observatory/folly at Westerton, County Durham
An Original Theory or New Hypothesis of the Universe
An Original Theory or New Hypothesis of the Universe