Crash Course Astronomy

Join host Phil Plait in a Crash Course about the cosmos.

Episodes

  • Mercury: Crash Course Astronomy #13

    Mercury is the closest planet to the sun.
  • The Moon: Crash Course Astronomy #12

    Take a look up to the moon's surface features, core, and theories about its formation.
  • The Earth: Crash Course Astronomy #11

    Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
  • The Sun: Crash Course Astronomy #10

    Take a look at the two-octillion ton star that rules our solar system.
  • Introduction to the Solar System: Crash Course Astronomy #9

    Phil takes a look at the explosive history of our cosmic backyard.
  • Tides: Crash Course Astronomy #8

    What is the relationship between tides and gravity?
  • The Gravity of the Situation: Crash Course Astronomy #7

    Phil looks at how gravity plays out across the universe.
  • Telescopes: Crash Course Astronomy #6

    Today Phil explains how telescopes work

About Crash Course Astronomy

Welcome to school without the classroom! Join host Phil Plait and discover everything there is to know about the cosmos.