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PBS Space Time - Season 2015 Episode 3 How Do You Measure the Size of the Universe?

Trailer
The universe is HUGE. But, there is only so much of the universe we can ACTUALLY see, and if we wanted to measure that FINITE space, how would we do it? A gigantic ruler? One really long car ride? Or maybe it's something even more spectacular, something that involves not only the observable universe as it is NOW, but how it was when it was first BORN?

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First Air Date: Feb 11, 2015

Last Air date: May 01, 2025

Season: 12 Season

Episode: 407 Episode

Runtime: 26 minutes

IMDb: 10.00/10 by 1.00 users

Popularity: 10.5588

Language: English

Episode What Planet is Super Mario World? Is It Irrational to Believe in Aliens? How Do You Measure the Size of the Universe? Should We Colonize Venus Instead of Mars? What Will Destroy Planet Earth? Can A Starfox Barrel Roll Work In Space? Cosmic Microwave Background Explained Is the Moon in Majora’s Mask a Black Hole? Could You Fart Your Way to the Moon? How to Weigh a Fart Could NASA Start the Zombie Apocalypse? Are Space and Time An Illusion? What's the Most Realistic Artificial Gravity in Sci-Fi? Should the First Mars Mission Be All Women? 9 NASA Technologies Shaping YOUR Future The Real Meaning of E=mc² Habitable Exoplanets Debunked! Is Gravity An Illusion? Challenge: What Happens to a Helium Balloon in Freefall? How to Signal Aliens The Calendar, Australia & White Christmas Can a Circle Be a Straight Line? Curvature Demonstrated + Comments The Leap Second Explained Can You Trust Your Eyes in Spacetime? SPECIAL ANNOUNCEMENT + Flat Spacetime Geometry Comments General Relativity & Curved Spacetime Explained! What Physics Teachers Get Wrong About Tides! Challenge: Which Particle Wins This Race? Do Events Inside Black Holes Happen? Watch THIS! (New Host + Challenge Winners) Does Dark Matter BREAK Physics? What Happens At The Edge Of The Universe? The Speed of Light is NOT About Light 5 REAL Possibilities for Interstellar Travel Have Gravitational Waves Been Discovered?!? Is The Alcubierre Warp Drive Possible? Why Haven't We Found Alien Life? Challenge: Can you save Earth from a Killer Asteroid? 5 Ways to Stop a Killer Asteroid 100 Years of Relativity + Challenge Winners! How to Build a Black Hole The Higgs Mechanism Explained