No original copy of Almagest has survived, so we don't know how he connected the stars to form shapes. By the 16th century, European explorers were adding new constellations to fill in their charts.

So the constellations we see today are basically the same as the ancient Greeks saw them. Over tens of thousands of years, however, stellar motions will add up to radically affect the shapes of ...

What are constellations and asterisms? Quiz - Can you guess the constellation? Top tips for stargazing How to spot famous constellations and asterisms The Plough Ursa Major Ursa Minor Cygnus - a ...