The word 'Ophiuchus' might mean nothing to most people, but to astrology aficionados it  could have been the 13th zodiac sign ...

With their eyes fixed on the sky, the ancient Greeks formed constellations through noticing shapes in the stars.

Apollonius was a Greek geometer and astronomer, whose innovative methodology and terminology, influenced many later scholars including Ptolemy, Johannes Kepler, Isaac Newton, and René Descartes.

1939), pointed out that while Egyptian and Babylonian astronomy are usually quoted as equivalent foundations of Greek, and, therefore, medieval and modern astronomy, really very little is known ...