Since ancient times, humankind has gazed up at the night sky and wondered. This on-line course introduces students to astronomy in order to understand the formation, evolution, physical properties and current theories of the universe as we know it. Topics explored include: the Big Bang Theory, physics of light and matter, planets of our solar system including results of spacecraft explorations, the Milky Way and other galaxies, key constellations, life and death of stars, supernovae, pulsars, black holes, quasars, exoplanets and dark matter. Students will analyze astronomy photos and explain interesting astronomical phenomena. Various indigenous and cultural perspectives about the universe and our place within it are also offered as a complement to the scientific worldview. This course is mainly descriptive, taught at a qualitative level with an emphasis on conceptual, as contrasted with mathematical, comprehension. It is designed as a general education course for anyone with an interest in astronomy. No Textbook Required.