The Danish astronomer Tycho Brahe became famous as the creator of the geoheliocentric model of the Solar System, which combined elements of Copernicus's heliocentrism and Ptolemy's geocentrism.

Data collected by Orbiter V when it landed on the Moon in 1967 provide information about the history of the crater Tycho. Volcanic eruptions seem to have been involved in the crater's development.

The Danish astronomer Tycho Brahe became famous as the creator of the geoheliocentric model of the Solar System, which combined elements of Copernicus's heliocentrism and Ptolemy's geocentrism.