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
HEAT 1X Tycho Brahe successful tests of the solid fuel epoxy and the liquid oxidizer nitrous oxide, which was used in their hybrid rocket HATV ("Hybrid Atmospheric Test Vehicle"). The HATV rocket was only 1/3 size of the final rocket, HEAT. This HEAT rocket ("Hybrid Exo Atmospheric Transporter") with liquid oxygen and polyurethane, would carry the MSC ("the micro-spacecraft") above the 100 km boundary and into space. The MSC was named after Tycho Brahe, and the combination was known as the HEAT-1X TYCHO BRAHE. Gravity would then pull the MSC back to the atmosphere, where the MSC landed on water using parachutes. The first