Tycho Brahe days list. One should also note that Denmark was on the Julian calendar until 1700, when it switched to the Gregorian calendar. Medieval calendars often contained lists of "dies Ægyptiaci", "Egyptian days", that also were held to be unlucky. The Egyptian days were: These too were days considered unlucky to begin any enterprise. Physicians were especially discouraged from performing bloodletting on the Egyptian days. Tycho Brahe days In the folklore of Scandinavia, Tycho Brahe days (Danish: "Tycho Brahes-dage"; Norwegian: "Tycho Brahedager"; Swedish: "Tycho Brahe-dagar") are days judged to be especially unlucky, especially for magical work, and important business transactions[ and personal
Tycho Brahe to fact. Tycho's system also offered a major innovation: while both the purely geocentric model and the heliocentric model as set forth by Copernicus relied on the idea of transparent rotating crystalline spheres to carry the planets in their orbits, Tycho eliminated the spheres entirely. Kepler, as well as other Copernican astronomers, tried to persuade Tycho to adopt the heliocentric model of the solar system, but he was not persuaded. According to Tycho, the idea of a rotating and revolving Earth would be "in violation not only of all physical truth but also of the authority of Holy Scripture, which