The Known Universe:
Discovering the Science of Astronomy
through the History of Astronomy.
A college-level introduction to astronomy. Consists of four parts:
1) The Center of the Known... More > Universe
2) The Workings of the Known Universe
3) The Age of the Known Universe
4) The Inhabitants of the Known Universe.
Part 1: What is visible in the sky, and how early astronomers interpreted what is visible. Part 2: The development of modern ideas about the solar system and the stars.
Part 3: The development of modern ideas about galaxies and the age of the universe.
Part 4: Thought about extra-terrestrial life.< Less