Cycles in the Sky • episode "#3" • Crash Course Astronomy

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

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Crash Course Astronomy • 2015 - 2016 • 6 episodes •

Introduction to Astronomy
12:11
Introduction to Astronomy

Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?"

Astronomy

Naked Eye Observations
11:16
Naked Eye Observations

Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye.

Astronomy

Cycles in the Sky
9:28
Cycles in the Sky

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

Astronomy

Moon Phases
9:45
Moon Phases

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

Astronomy

Eclipses
10:31
Eclipses

An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, either by passing into the shadow of another body or by having another body pass between it and the viewer.

Astronomy

Telescopes
12:00
Telescopes

Today Phil explains how telescopes work and offers up some astronomical shopping advice.

Astronomy

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