Ancient Greek Astronomy and Orion Mythology

Five fill-in-the-blank flashcards focusing on the historical contributions of Greek astronomers and the physical properties of stars in the Orion constellation.

Thales of Miletus is credited with predicting a solar eclipse that occurred in __________.

$$585\,BCE$$

The first person to call the universe "__________" was Pythagoras.

cosmos

Using geometry, Aristarchus discovered that the Sun is __________ times farther than the Moon.

$$19$$

The complex star system __________, located in Orion's belt, is actually composed of five stars, including a triple star system.

Mintaka

The red supergiant __________ is so large that if it replaced the Sun, it would extend past the main asteroid belt between Mars and Jupiter.

Betelgeuse