Khan Academy provides various free introductory video lessons on astronomy and cosmology. Topics include the scale of the universe, the Big Bang, stars, black holes, galaxies, and more.
| Instructor: | |
| Provided by: | Khan Academy |
| Course language: | English |
| Fees: | free course |
| Level: | beginner |
| Certificate available? | |
| Format: | MOOC/online course |
How do you like the course 'Cosmology and astronomy'?
