Free Astronomy Courses

Professor Courtenay Raia lectures on science and religion as historical phenomena that have evolved over time.

This Stanford Continuing Studies course is the fifth of a six-quarter sequence of classes exploring the essential theoretical foundations of modern physics.

A description of modern astronomy with emphasis on the structure and evolution of stars, galaxies, and the Universe.

This collection focuses on the study of astronomy through history. It includes materials from the earliest observations of the stars through discoveries of the 20th century.

This course covers the Milky Way galaxy, star formation and the interstellar medium, galaxies, black holes, quasars, dark matter, the expansion of the universe and its large-scale structure, and cosmology and the Big Bang.

What is science? Is the Moon made of green cheese? What is a star made of? How hot is the sun?

This course gives an overview of the excitement of astrobiology and space exploration, from the origin of our own biofriendly universe to questions of the future of mankind both on Earth and beyond.

This course focuses on three particularly interesting areas of astronomy that are advancing very rapidly: Extra-Solar Planets, Black Holes, and Dark Energy.

The study of an area of Physics that is not normally available in other courses. Repeatable course.

In 46 episodes, Phil Plait (aka The Bad Astronomer) teaches you astronomy! This course starts with the astronomical observations we can make with the naked eye and expands out to cover the solar system, stars, galaxies, and the universe itself.