Nicolaus Copernicus in his De revolutionibus orbium coelestium ("On the revolution of heavenly spheres", first printed in 1543 in Nuremberg), presented a discussion of a heliocentric model of the universe in much the same way as Ptolemy in the 2nd century had presented his geocentric model in his Almagest.
Kepler's three laws of planetary motion can be stated as follows: (1) All planets move about the Sun in elliptical orbits, having the Sun as one of the foci. (2) A radius vector joining any planet to the Sun sweeps out equal areas in equal lengths of time
From what I found the then Democratic Party had rally’s in which white people would threaten the poc communities with violence and called it the white mans party but I’d do more research theres a lot to unpack
Answer: HUAC often pressured witnesses to surrender names and other information that could lead to the apprehension of Communists and Communist sympathizers. Committee members branded witnesses as “red” if they refused to comply or hesitated in answering committee questions.
