Tag Archives: history of astronomy

History of Astronomy Part 1: The Celestial Sphere and Early Observations

Hey it’s Professor Dave, let’s check out the night sky. It’s taken almost ten billion years, but we’ve finally made it. We started with the Big Bang, we watched atoms form, we saw these collect to form stars and galaxies, we saw those stars explode to disperse the materials that would become all the planets,… Read More »

History of Astronomy Part 4: Kepler’s Laws and Beyond

Professor Dave here, let’s talk about Kepler. The Copernican revolution, which placed the sun at the center of the solar system rather than the earth, was a major event during the European Renaissance, a time when scientific thought truly began to flourish. In this climate, a figure like Danish astronomer Tycho Brahe was motivated to… Read More »

History of astrology | Wikipedia audio article

Astrological beliefs in correspondences between celestial observations and terrestrial events have influenced various aspects of human history, including world-views, language and many elements of social culture. Among Indo-European peoples, astrology has been dated to the 3rd millennium BC, with roots in calendrical systems used to predict seasonal shifts and to interpret celestial cycles as signs… Read More »