This 14-week course introduces students to the study of the universe and the science behind what we see in the night sky. You will learn how astronomers observe planets, stars, and galaxies, and how they use evidence to understand how the universe works. Each module includes readings, short quizzes, and hands-on activities that help connect what you learn to real astronomical discoveries.

Grow these skills

14 Weeks, 1–3 hours per week

Language English

• Module 1: Science and the Universe
• Module 2: Celestial Spheres and Motion
• Module 3: Light and Telescopes
• Module 4: Gravity and Orbits
• Module 5: The Solar System
• Module 6: Our Sun
• Module 7: Stars and Stellar Evolution
• Module 8: The Milky Way
• Module 9: Galaxies and Large-Scale Structure
• Module 10: Cosmology and the Big Bang
• Module 11: Exoplanets and the Search for Life
• Module 12: Compact Objects and Dark Matter
• Module 13: Space Exploration and Technology
• Module 14: Capstone Project and Wrap-Up

What is this course about?

This course introduces the scientific study of the universe—from the motion of celestial bodies to the physics behind stars, galaxies, and cosmology. Students gain both theoretical and practical insights through guided readings, discussions, and simulations.

Who should take this course?

Ideal for high school honors students or curious learners who want to understand how astronomers observe, analyze, and interpret the cosmos using scientific tools and data.

How long does the course take?

The course runs for 14 weeks. Each week includes a combination of readings, quizzes, discussions, and project-based learning activities that can be completed at a steady, flexible pace.

Will I get a certificate?

Yes, you can earn a certificate when you finish. You can also choose to audit the course for free without one.

What browsers work best for this course?

Use the latest version of Chrome, Firefox, Safari, or Edge for the best experience.