The star catalog was made by ancient Greek astronomer Hipparchus around 162 and 127 BCE, 1,400 years before the telescope. Get the Popular Science daily newsletter💡 Email address Sign up Thank you!

The School of Ancient Greece for Science, Civilization, and Planetary Governance Evaggelos Vallianatos Alexander the Great attacking the Persian King Darius in the Battle of Issus, Nov. 5, 333 BCE.

Submitted photoLiverpool Elementary sixth-grader Michelle Tassone, front, watches her bean bag during the Ancient Greek Olympics as sixth-graders Andre Cherrier, left, Azra Lizalovic and Ricky ...