AST 101 Lecture 6 Return to Heliocentrism. What needs explaining Phases of the moon Diurnal motion of the Sun Annual motions of the stars Inferior planets.
Film The origin of the name "film" comes from the photographic film (also called film stock) Many other terms exist for an individual motion picture, including.
Ibn Al- Haitham ( Alhazen ) – The Father of Optics
