The Tychonic system (or Tychonian system) is a model of the universe published by Tycho Brahe in the late 16th century, which combines what he saw as the...

heliocentrism with the philosophical benefits of the Ptolemaic system, and devised the Tychonic system, his own version of a model of the Universe, with the Sun...

than the Moon. Grassi adopted Tycho Brahe's Tychonic system, in which the other planets of the Solar System orbit around the Sun, which, in turn, orbits...

the 'semi-Tychonic' system. The book was reprinted in 1640 and 1663, which indicates its popularity and the interest in the semi-Tychonic system in this...

motions of sunspots, which could only be explained in the Ptolemaic or Tychonic systems as resulting from an implausibly complicated precession of the Sun's...

between astronomical cosmologies focused on variations of Tycho Brahe's Tychonic system (in which the Earth was still at the center of the universe, and around...

heliocentric system and for an alternative to the Ptolemaic geocentric system: a geo-heliocentric system now known as the Tychonic system in which the...

orbits the Earth, similar to the Tychonic system later proposed by Tycho Brahe in the late 16th century. Nilakantha's system, however, was mathematically...

released his first model of the celestial night in 1588, the Tychonic system. Brahe's system had Earth stationary in the center, the Moon and Sun revolving...

it for more than a century. In 1588, Tycho Brahe publishes his own Tychonic system, a blend between the Ptolemy's classical geocentric model and Copernicus'...