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Space Used to Be Orange!!

As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when space was rapidly expanding, that dark night sky we know so well as actuallyORANGE! But why? Did the lights just go out, or did something more spectacular happen?

Season 1 Episode 7 Length 05:27 Premiere: 03/25/15

Recent Episodes

The Universe Has Been Expanding Since the Big Bang. Just Not How We Thought.

S11 E32 Length 17:40 Premiere Date 07/16/26

The Quantum Experiment That Breaks Time

S11 E31 Length 16:28 Premiere Date 07/02/26

We Thought Black Holes Created Event Horizons. It Might Be the Opposite

S11 E30 Length 17:39 Premiere Date 06/18/26

We’ve Been Looking for Aliens for 70 Years. We've Been Doing It Wrong All Along

S11 E29 Length 20:48 Premiere Date 06/04/26

We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang

S11 E28 Length 14:27 Premiere Date 05/21/26

We Found Galaxies Too Old for the Universe

S11 E27 Length 17:41 Premiere Date 04/30/26

Specials

Black Holes. Explained. For 1.5 Hours.

Length 1:38:18 Premiere Date 12/18/25

Strange Stars

Length 09:58 Premiere Date 03/01/17

Did Dark Energy Just Disappear?

Length 12:22 Premiere Date 02/16/17

The Many Worlds of the Quantum Multiverse

Length 12:52 Premiere Date 02/09/17

The First Humans on Mars

Length 07:51 Premiere Date 02/02/17

Life on Europa?

Length 09:37 Premiere Date 01/18/17

Self-Replicating Robots and Galactic Domination

Length 09:57 Premiere Date 12/25/16

Season 1 Episodes

Show Episodes

Show Clips & Previews

Do Events Inside Black Holes Happen?

S1 E25 Length 11:50 Premiere Date 04/28/16

What Physics Teachers Get Wrong About Tides!

S1 E24 Length 09:09 Premiere Date 09/05/15

General Relativity & Curved Spacetime Explained!

S1 E23 Length 08:52 Premiere Date 07/29/15

Can You Trust Your Eyes in Spacetime?

S1 E22 Length 09:23 Premiere Date 07/15/15

The Leap Second Explained

S1 E21 Length 02:20 Premiere Date 07/08/15

Can a Circle Be a Straight Line?

S1 E20 Length 08:16 Premiere Date 07/02/15

The Calendar, Australia & White Christmas

S1 E19 Length 05:48 Premiere Date 06/24/15

How to Signal Aliens

S1 E18 Length 06:14 Premiere Date 06/17/15

Is Gravity An Illusion?

S1 E17 Length 10:17 Premiere Date 06/03/15

Habitable Exoplanets Debunked!

S1 E16 Length 10:46 Premiere Date 05/27/16

Could You Fart Your Way to the Moon?

S1 E9 Length 05:55 Premiere Date 04/08/16

Space Used to Be Orange!!

S1 E7 Length 05:27 Premiere Date 03/25/15

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