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On Sunspots
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 previously appeared only in abridged form. In addition, Albert Van Helden and Eileen Reeves have supplemented the correspondence with lengthy introductions, extensive notes, and a bibliography. The result will become the standard work on the subject, essential for students and historians of astronomy, the telescope, and early modern Catholicism.
Sunspots
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Sunspots: Theory and Observations
This volume contains the invited papers presented at the NATO Advanced Research Workshop on the Theory of Sunspots, held in Cambridge, England, 22-27 September 1991. The idea of holding this Workshop first arose during the Solar Optical Telescope work shop on Theoretical Problems in High-Resolution Solar Physics in Munich in 1985. At that meeting, separate discussion groups were formed to consider specific topics in solar physics. The discussion group on sunspots recommended that there be a meeting devoted to theoretical problems associated with sunspots, the motivation being the consensus that theory seemed to lag behind the observational evidence in our quest for a satisfactory un derstand...
Sunspots and the Sun King
Mediation, monarchy, and Louis XIV's attempts to legitimize his reign In order to assert his divine right, Louis XIV missed no opportunity to identify himself as God’s representative on earth. However, in Sunspots and the Sun King Ellen McClure explores the contradictions inherent in attempting to reconcile the logical and mystical aspects of divine right monarchy. McClure analyzes texts devoted to definitions of sovereignty, presents a meticulous reading of Louis XIV’s memoirs to the crown prince, and offers a novel analysis of diplomats and ambassadors as the mediators who preserved and transmitted the king’s authority. McClure asserts that these discussions, ranging from treatises to theater, expose incommensurable models of authority and representation permeating almost every aspect of seventeenth-century French culture.
Nature's Third Cycle
The 11-year cycle of sunspots is one of the most intriguing natural cycles known to mankind. This book explores the fascinating science behind these phenomena and gives an insider's view of the history of the field.
Visual High Resolution Observations of Sunspots
Bureau d'Analyse et de Recherche Appliquees (France). ANALOG STUDY OF SOME PROBLEMS RELATIVE TO LIFTING SURFACES IN AN HELICOIDAL MOVEMENT. Final rept. 1962. 28p. incl. illus. (Contract N62558-2997) Unclassified report DESCRIPTORS: *Marine propellers, *Analog sys tems, *Fluid mechanics, Surfaces, Simulation, Water. The first report defined the general principles of utilization and construction of a analog tank for studying the perturbation potential around lifting surfaces submitted to an helicoidal movement. The prese t report, which utilizes the sa e quotations, gives the results obtained with this tank in the resolution of various elementary problems. These determinations were used for the final setup of the analog model which can be considered as correspondingACCURATELY TO ITS ANTICIPATE FUNCTIO . (Author).
Sunspots
The sun is our local star; the most important object in our lives. But what really powers it? And who are the sun's favourite painters? Simon Barraclough is your guide in this tour-de-force book of poetry. Sunspots condenses fact, fiction, myth, humour and emotion into a luminous meditation on the star that gives us life.
Earth and Sun
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Sunspots and Starspots
A comprehensive account of sunspots and starspots for graduate students, astronomers, geophysicists, space physicists and experts in solar and stellar physics.
