NATS 1745 Lecture Notes - Lecture 8: De Revolutionibus Orbium Coelestium, Pope Gregory Xiii, Harmonices Mundi
1 Dec 2017
School
Department
Course
Professor
Document Summary
The oldest astronomical observation ever recorded (egypt and central america). The first written materials on astronomy (egypt, china, mesopotamia and central america). The oldest preserved relation on a solar eclipse (china). The first solar-lunar calendars are established in egypt and mesopotamia. Constellations are first drawn up by the ancient astronomers. is. Pythagoras and thales of miletus speculate that the earth is a sphere. Aristrachus of samos suggests that the earth revolves about the sun (heliocentric concept of the. He also provides the first estimations on earth-sun distance. Eratosthenes of cyrene (now shahat, libya) measures the circumference of the earth with extraordinary accuracy by determining astronomically the difference in latitude between the cities of. Hipparchus discovers the precession of the equinoxes and developes the first star catalogue and charts (around 1000 brightest stars). The introduction of julian calendar (purely solar calendar) to the roman empire upon the advice of the.
