33.1 MB (1.1 MB compressed)
3267 x 3543 pixels
27.7 x 30.0 cm ⏐ 10.9 x 11.8 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Portrait in oils of Galileo Galilei (1564-1642), Italian astronomer. Galileo was born at Pisa, where he first studied medicine and later mathematics and physics. His fame was made by his observations through the telescope. In 1610 he observed mountains on the Moon, four satellites ('Galilean') of Jupiter and numerous dim stars. In his book "Dialogue on the Two Chief World Systems" he discussed Ptolemeic and Copernican (heliocentric) cosmologies. He thought that his discussion was diplomatic, but it was adjudged heretic by the Inquisition in 1633 and he was sentenced to house arrest for life. His other studies included the dynamics of falling bodies.
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