Astronomy
Greek philosopher Parmenides [b. Elea (Italy) c. 515 bce, d. c. 450 bce] explains the phases of the Moon in terms of its illumination being reflected sunlight. He holds that change is illusory, since being is one, and nothing can be created or destroyed. See also 28,000 bce Astronomy.
PhysicsGreek philosopher Heraclitus [b. Ephesus (Turkey), c. 540 bce, d. c. 475 bce] teaches that change is the essence of all being. See also 530 bce Physics; 450 bce Physics.



