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Title: olaus roemer
Caption: Danish astronomer Olaus Roemer (Ole Christensen Romer) (1644-1710), royal mathematician and professor of astronomy at Copenhagen University. He made the first quantitative measurements of the speed of light in 1676.
Credit: Album / SCIENCE SOURCE
Image size: 3556 × 4494 px | 45.7 MB
Print size: 30.1 × 38.0 cm | 1400.0 × 1769.3 in (300 dpi)