Astronomy

The branch of science which deals with celestial objects, space, and the physical universe as a whole. Created by CrashCourse.

Average Course Length

12 hours

Skill Level

Beginner

Pick a lesson

1: Introduction to Astronomy

2: Naked Eye Observations

3: Cycles in the Sky

4: Moon Phases

5: Eclipses

6: Telescopes

7: The Gravity of the Situation

8: Tides

9: Introduction to the Solar System

10: The Sun

11: The Earth

12: The Moon

13: Mercury

14: Venus

15: Mars

16: Jupiter

17: Jupiter's Moons

18: Saturn

19: Uranus & Neptune

20: Asteroids

21: Comets

22: The Oort Cloud

23: Meteors

24: Light

25: Distances

26: Stars

27: Exoplanets

28: Brown Dwarfs

29: Low Mass Stars

30: White Dwarfs & Planetary Nebulae

31: High Mass Stars

32: Neutron Stars

33: Black Holes

34: Binary and Multiple Stars

35: Star Clusters

36: Nebulae

37: The Milky Way

38: Galaxies, part 1

39: Galaxies, part 2

40: Gamma-Ray Bursts

41: Dark Matter

42: The Big Bang, Cosmology part 1

43: Dark Energy, Cosmology part 2

44: A Brief History of the Universe

45: Deep Time

46: Everything, The Universe...And Life

47: Explore The Solar System: 360 Degree Interactive Tour!