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ScienceHigh School 4.9 · 6,900
Astronomy
Explore the solar system and beyond: planets, the Sun, and the life cycle of stars.
Dr. Omar Haddad
Astronomer
Course progress0 / 4 lessons
1
The Solar System
The Sun, planets, and orbits.
8 min +55 XP2 quiz questions
2
Stars & Their Life Cycle
How stars shine and change.
9 min +60 XP2 quiz questions
3
Galaxies & the Expanding Universe
The big picture, and how we know it.
9 min +55 XP2 quiz questions
4
Black Holes & Gravity
When gravity wins completely.
9 min +60 XP2 quiz questions