Explore the Universe

Learn about the stars, planets, and beyond with our comprehensive courses.

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Featured Courses

Earth Orbiting the Sun

Orbital Mechanics

Learn how gravity works, and how to escape it.

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Sun

How Stars Shine

Learn about energy radiation and star colours.

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CMB map

Cosmology

Learn about the Big Bang, and the expansion of the universe.

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Night Sky

The Night Sky

Explore navigating in the night sky using constellations, finding deep-sky objects with a telescope.

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Telescope

About AstroLearn

AstroLearn is dedicated to bringing the wonders of the universe to students of all ages. Created by a student passionate about astronomy, the courses offer a comprehensive and engaging learning experience.