Tycho Brahe produce much of his astronomical data, Tycho relied heavily on the then new technique of "prosthaphaeresis", an algorithm for approximating products based on trigonometric identities that predated logarithms. Although Tycho admired Copernicus and was the first to teach his theory in Denmark, he was unable to reconcile Copernican theory with the basic laws of Aristotelian physics, that he considered to be foundational. He was also critical of the observational data that Copernicus built his theory on, which he correctly considered to have a high margin of error. Instead, Tycho proposed a "geo-heliocentric" system in which the Sun and Moon orbited
HEAT 1X Tycho Brahe Dano–Norwegian naval hero Peter Tordenskjold, with thrust was constructed., however this design failed and caused a fire during its final static test in 2014. As of December 2014, work on a third design concept is underway at Copenhagen Suborbitals, while an alternative program more similar to HEAT-1X has been started by the original designer Peter Madsen HEAT 1X Tycho Brahe HEAT 1X Tycho Brahe was the first rocket and spacecraft combination built by Copenhagen Suborbitals, a Danish organization attempting to perform the first amateur suborbital manned spaceflight. The vehicle consisted of a motor named HEAT-1X and a spacecraft Tycho Brahe.