Chunks of earth whirled outward became stars and the sun and the moon ... Despite his own considerable intellect, Anaxagoras’ theory of matter was wrong. But his reputation rests on many ...

An early explanation offered as to why the sun shines came from the Greek philosopher Anaxagoras ... theory to be developed as to how the collision of hydrogen atoms inside the sun and other stars ...

Here’s how it works. Nemesis is a theoretical dwarf star thought to be a companion to our sun. The theory was postulated to explain a perceived cycle of mass extinctions in Earth's history.

Through persistent observation, Anaxagoras came to believe that the moon was a rock, not totally unlike the Earth, and he even described mountains on the lunar surface. The sun, he thought ...