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Tag Archives: astronomy

Aristarchus of Samos: Prophet of Astronomy

In a recent article, I mentioned Galileo and his idea of heliocentrism. Heliocentrism is the idea that the Earth revolves around the Sun. It is opposed to the geocentric idea which claims that the Sun and other planets revolve around the Earth. Galileo posed heliocentrism in the 17th century, and shortly after doing so, his

Armillary Spheres: Following Celestial Objects in the Ancient World

By Ḏḥwty, Contributing Writer, Ancient Origins Astronomy is often considered to be one of the oldest branches of science. In many ancient societies, astronomical observations were used not only for the practical job of determine the rhythm of life, (e.g. the various seasons of the year, the celebration of festivals, etc.) but also for the