Skip to main content

Astronomy Courses

Take free online classes and courses in astronomy to build your science skills. Explore astronomy, astrophysics and other popular subjects with courses from top universities and institutions around the world on edX.

learn astronomy

Learn Astronomy

What is Astronomy?

Astronomy is the branch of natural science that studies the elements of the universe including galaxies, planets, the Solar System, celestial objects, stars, comets, outer space phenomena and more. Major sub-disciplines of astronomy include astrophysics, physical cosmology, solar astronomy, planetary science and stellar astronomy.

Online Astronomy Courses and Programs

Get an introduction to astronomy with online courses from major universities and institutions worldwide. Edx offers both individual courses and advanced programs designed to help you learn about astronomy in an engaging and effective online learning environment complete with video tutorials, quizzes and more.

Additionally, edX offers the option to pursue verified certificates in astronomy courses. The certificate lists edX and the name of the university or institution offering the course and can be uploaded to your LinkedIn profile. It is proof for employers and others that you have successfully completed the course. Get started in astronomy with one the following courses or programs.

Introduction to Solar Systems Astronomy from Arizona State University is an 8-week course that teaches the origins, structure, content and evolution of the solar system. Make virtual visits to the Mars Space Flight Facility at ASU and the Lunar Exploration Museum and learn about the meteorite impact site in Northern Arizona known as Meteor Crater. This course is available for college credit from ASU and may satisfy general education requirements at other institutions.

Super-Earths and Life from Harvard University is a self-paced course that focuses on alien life. It looks at planets outside our solar system and the possibility that some form of life has developed on them in a manner similar to how life developed here on Earth. Learn about the planetary conditions required to support life and how scientists search for life throughout the universe.

Explore these and other free online astronomy courses. Many courses are self-paced so you can enroll and start learning today.