Cometographia, Title Page, 1668
Hevelius's book on comets. Title page of Cometographia (1668), by the Polish astronomer Johannes Hevelius. The artwork shows three astronomers representing three theories about comets. From left, the theories are: Aristotle's sublunar theory (that comets orbit between the Moon and the Earth); Hevelius's theory that comets originate from Jupiter or Saturn and follow parabolic paths around the Sun; and Kepler's theory that comets move in a straight line. On the roof of the building (right), telescopes and sextants are being used to observe a comet (top left)
Picture No
13343860
Media ID
47781996
Size
2517px x 4186px
(2.2MB)
Credit
© New York Public Library / Science Source / Mary Evans Picture Library
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New York Public Library
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1571 1630 1668 Astronomer Johannes Kepler Math
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