In the first part, Scheiner discusses the question of priority of discovery in regard to sunspots. The second part not only describes telescopes, different kinds of projection and the helioscope but …

Scheiner's original opinion was that sunspots were small planets closely orbiting the Sun, a position convincingly refuted by Galileo in his own 1632 “ Letters on Sunspots.” Unlike Galileo, …

When Jesuit Christoph Scheiner first observed sunspots in March 1611, he ignored them until he saw them again in October. Then, under the pseudonym Apelles latens post tabulam (Apelles …

Sep 2, 2017 · On Sunspots by Eileen Reeves and Albert Van Helden features the work of Galileo Galilei, whose fame is well-known, and of Christoph Scheiner, the Jesuit astronomer who …

In a 1611 book published by the Academy of the Lynx, the Jesuit astronomer Christoph Scheiner argued that sunspots are little planets circling the Sun like Venus. Galileo answered Scheiner …

Scheiner, a Jesuit mathematician at the university of Ingolstadt (near Augsburg), wished to preserve the perfection of the Sun and the heavens and therefore argued that sunspots were …

In an attempt to rescue the "perfectability of the heavens," which the Catholic Church teachings required, Galileo's enemy Christoph Scheiner claimed that sunspots were simply undiscovered …

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 …

As mentioned above, Galileo showed sunspots to observers in Rome during his visit there in the spring of 1611. At about the same time, Johannes and David Fabricius began observing …

Jan 19, 2025 · Christoph Scheiner was one of the most outstanding astronomers in the history of the sunspot observations. His book, Rosa Ursina, is the reference work regarding the study of …