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  • Sunspots and Starspotsby John H. Thomas; Nigel O. Weiss

    Cambridge University Press 2008; US$ 112.00

    Comprehensive account of sunspots and starspots for graduate students, astronomers, geophysicists, space physicists and experts in solar and stellar physics. more...

  • On Sunspotsby Galileo Galilei; Christoph Scheiner; Eileen Reeves; Albert van Helden; Eileen Reeves; Albert van Helden

    University of Chicago Press 2010; US$ 32.00

    Galileo’s telescopic discoveries, and especially his observation of sunspots, caused great debate in an age when the heavens were thought to be perfect and unchanging. Christoph Scheiner, a Jesuit mathematician, argued that sunspots were planets or moons crossing in front of the Sun. Galileo, on the other hand, countered that the spots were on or near the surface of the Sun itself, and he supported his position with a series of meticulous observations and mathematical demonstrations that eventually convinced even his rival.   On Sunspots collects the correspondence that constituted the public debate, including the first English translation of Scheiner’s two tracts as well as Galileo’s three letters, which have... more...

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