Claude Ptolemy

Around 140 AD, Claude Ptolemy (90-168 AD) took the theory of Hipparchus. He exposes in his Almagest the first empirical theory of the mo...

Plato, Aristotle and Empiricism

Since the modern era, Plato (427-327 BCE) is considered the first philosopher to formulate and provide answers to the great questions of...

European Geniuses

At a time when the world was still to be explored, the Italian Amerigo Vespucci discovered the Indies, or rather America and his Amerind...

ESO Facilities at Mount Paranal

ESO's Very Large Telescope (VLT) observatory was inaugurated in March 1999. It is located in the north of Chile, about 500 km south ...

The Birth of the Universe

After many calculations and experiments in physics laboratories, it is believed that at the beginning of time, the universe was microsco...

Archaeoastronomy: From the Truth Doc

Before we consider exploring our galaxy and the universe, we must first and foremost place our home, the earth and the solar system in t...

Egypt, China and Mesopotamia

It is probably in Egypt that the study of the sky was born, to be jealously guarded by the priests 3000 years before our era. Astrology ...