To Scale: The Solar System • 2015

Category: Astronomy

On a dry lakebed in Nevada, a group of friends build the first scale model of the solar system with complete planetary orbits: a true illustration of our place in the universe.

You might also like

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?"

#1Crash Course AstronomyAstronomy

What is Dark Matter and Dark Energy?

What is dark energy? What is dark matter? Well, if we knew exactly we would have a nobel prize – we know that they exist though. So what do we know about those strange things?

In a Nutshell • 2015 • Astronomy

Earth's Death Orbit

Earth's journey through the universe is a perilous one, and new discoveries reveal that our planet is heading toward a mysterious area of the cosmos that could eject us out of the Milky Way and into oblivion.

S8E9How the Universe Works • 2020 • Astronomy

The Grey Mars

Could Mars have ever harbored life? Thanks to NASA's latest Mars rover Curiosity, scientists are finding clues to this profound question. This program tracks the first year of Curiosity's adventure, and confirms that an ancient environment could have supported life on Mars.

2Cosmic Front • 2014 • Astronomy


Jupiter is the biggest planet in our solar system. The gas giant is NOT a failed star, but a really successful planet! It has a dynamic atmosphere with belts and zones, as well as an enormous red spot that’s actually a persistent hurricane. Jupiter is still warm from its formation, and has an interior that’s mostly metallic hydrogen, and it may not even have a core.

16Crash Course AstronomyAstronomy

Part 2

After the destruction of Shuttle Challenger, the US considered grounding its fleet for good. That is until the stunning discovery that the Soviets had built their own fleet using plans stolen from NASA.

2/2Secrets of the Space Shuttle • 2018 • Astronomy