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Nicolaus Copernicus, who formulated a heliocentric model with the planets orbiting around the Sun, replacing Ptolemy's earlier geocentric model.
Nicolaus Copernicus, who formulated a heliocentric model with the planets orbiting around the Sun, replacing Ptolemy's earlier geocentric model.
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GSI main entrance, Darmstadt, Germany
GSI main entrance, Darmstadt, Germany
Part of the ESR facility.
Part of the ESR facility.