CrashCourse

Mars: Crash Course Astronomy #15

The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missio...

Venus: Crash Course Astronomy #14

Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight -- but it’s beauty is best looked at from af...

Mercury: Crash Course Astronomy #13

Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly ...

The Moon: Crash Course Astronomy #12

Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about...

The Earth: Crash Course Astronomy #11

Phil starts the planet-by-planet tour of the solar system right here at home, Earth.--Crash Course is on Patreon! You can...

The Sun: Crash Course Astronomy #10

Phil takes us for a closer (eye safe!) look at the two-octillion ton star that rules our solar system. We look at the sun...

Introduction to the Solar System: Crash Course Astronomy #9

In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we w...

Tides: Crash Course Astronomy #8

Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moon...

The Gravity of the Situation: Crash Course Astronomy #7

In today's episode, Phil looks at how gravity plays out across the universe.This episode is sponsored by Squarespace: htt...

Telescopes: Crash Course Astronomy #6

Today Phil explains how telescopes work and offers up some astronomical shopping advice.--How Telescopes Work 1:07Refract...

Eclipses: Crash Course Astronomy #5

The big question in the comments last week was, "BUT WHAT ABOUT ECLIPSES?" Today, Phil breaks 'em down for you.This episo...

Moon Phases: Crash Course Astronomy #4

In this episode of Crash Course Astronomy, Phil takes you through the cause and name of the Moon's phases.--Why the Moon ...

Cycles in the Sky: Crash Course Astronomy #3

This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see...

Naked Eye Observations: Crash Course Astronomy #2

Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can se...

Introduction to Astronomy: Crash Course Astronomy #1

Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer ...