GetSetScienceFly

What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.

You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as you’ve got oxygen, water and food aboard your spaceship, you should stay inside and figure out what you’ve got going on around you. But your supplies wouldn’t last forever. So the clock would be ticking.

Thousands of light-years from Earth, there could be another planet hospitable to life. Kepler 69c. And you’re about to travel to this alien world to see that life with your own eyes. What would it be like to make this epic journey so far across the Universe? What kind of planet would you be likely to find upon arrival? And if you did discover life, what would it look like?

Ever since humanity discovered that there are other places outside of Earth, we've thought about leaving it. On this episode of What If we're going to do just that. But where would we go? Is building a ring world in space a possibility? Maybe terraforming Venus is our best option for a sustainable life. If we were to leave earth and create something like a ring world, where would we find the materials to do so? And if we lived on Venus, how different would it be from Earth? But before we blast off, why would we ever want to leave?

Pad : OLP-1 Location : Starbase, Texas, USA Rocket : Starship Booster : 9 Ship : 25

A dark, mysterious object has appeared at the outer edges of our Solar System. It looks like the remnants of a dying star. But it behaves like a black hole. Your mission? Traveling right into its heart of darkness. What makes this mysterious object unique? How dangerous would it be to experience such powerful gravity? And how might this turn into one of the strangest experiences in the Universe?

This is our Universe, an ever-expanding network of stars and galaxies. And this is your brain. Don't they look eerily similar to one another? Why are they so alike? Could your brain be a mini-version of the cosmos? Or could the Universe actually be part of some larger consciousness?

Doomsday is here. A nuclear bomb has just unleashed hell right in front of your eyes. You have mere seconds to get to safety. But once that blast hits, how could the light burn your skin? Why should you never look at the explosion? And how can taking your clothes off save your life?

Our Solar System is plunging into chaos. Better hang on tight. The planets are getting knocked out of orbit. What could kickstart this epic chain of events? How would this impact each and every planet? And how could it possibly make Earth even more hospitable to life?

Millions of years ago, Earth looked very different. All the continents were fused into one, teeming with life that was both beautiful and terrifying. When you think of prehistoric times, you might picture a T. rex rampaging through the jungle with its razor-sharp teeth. But even before the dinosaurs, there were other giant creatures ruling the Earth.

Every year, our planet makes one full trip around the Sun. And while that means we’re already moving at breakneck speeds, we’re about to ramp that speed up. Like, way up! Let’s turn Earth into a planet-sized spaceship and crank it up to light speed. What would happen to Earth if it started orbiting so fast? And what would it be like to experience this all from down on the ground?

Spending 5 seconds on Mars without a helmet is NOT a good idea. But let me tell you how we got there. Ah, Mars. The red planet and our potential new home. Well, Mars isn't as hospitable as it sounds. It's really inhospitable.

Who Restarted The Earth Multiple Times & Why?

13.8 billion years ago, the entire Universe emerged from one single point in space. This theory is known as the Big Bang. And it’s the most widely accepted story of the creation of our Universe. But what if we have this all wrong? What if the Universe didn't start like this? What else were we wrong about?

It's the matchup you've been waiting for, the clash between some of the biggest titans that ever roamed the Earth. From the jungle marsh to the deep ocean, you can expect a Megalodon-Titanoboa fight to be an epic brawl that would go down in history. How could this mega-snake overpower the mega-shark? What superpower would give the shark an advantage? And which animal would tower above the other?

Black holes are dark, matter-devouring balls of gravity. Most of them are so far away that we don't need to worry about them. But not this one. Meet Gaia BH1. This enormous black hole sits right outside our Solar System. More specifically, 1,600 light-years away from us.

Rockets are incredibly powerful. You can launch yourself into orbit, fly to the Moon and, soon enough, travel to Mars. But to go beyond our Solar System, you're going to need something else. Solar sails. How exactly would sails work out in space? How long would it take you to travel to the edge of the Solar System? And why could this journey end with your slow and lonely demise?

Eleven times wider than Earth. Over 300 times more massive. And a million times more terrifying. Jupiter looks like a beautiful ball of swirling clouds, but on the inside, it's a gaseous hell. But what if things took a different turn for the king of the Solar System? What if Jupiter wasn't a gas giant at all? What if, instead, it was a rock giant?

Jupiter is a massive, terrifying planet. Despite being studied for centuries and even visited by nine space probes in the last 50 years, the undisputed king of the Solar System has managed to keep some things hidden from us. Until now...

Researchers have detected strange radio signals coming from deep space. These mysterious radio waves might just be bursts of cosmic energy from a distant neutron star. Or it could be that scientists have discovered a highly-advanced civilization 90 light-years away from Earth.

Welcome to hell. Sorry, I meant Venus. Some say it's Earth's twin. But this world is nothing like home. And you're about to experience this scorching hot landscape firsthand.

Did you know that the Sun isn't really on fire? No. Our Sun isn't a raging bonfire in the center of the Solar System. It's actually a nuclear reactor. Inside stars, hydrogen atoms fuse together to form helium atoms.

Though it may not seem like it, the ocean is a much more terrifying place than the cosmos. From hideous, alien-like creatures to the mysteries that lie below the sea, these are just some of the reasons why the ocean is scarier than space.

You might have heard that all dinosaurs were wiped out 65 million years ago when a 15 km wide asteroid crashed into Earth and caused a mass extinction event. But that - is entirely false. 00:00 Myth: All Dinosaurs Became Extinct 02:32 Myth: Dinosaurs Were All Cold-Blooded 05:35 Myth: The T-Rex Stood Upright 07:35 Myth: Dinosaurs Made Terrifying Noises