What Is the Limit to How Far We Can Travel in Space?

Bad news, guys. There’s a limit to humanity. Even if we had the technology for interstellar space travel, we still wouldn’t be able to see most of the observable universe because we’re actually limited to only being able to go to a hundredth billionth of a percent of it. We’re stuck within our local galaxy group. That’s sort of depressing! But why is there a limit anyway? Kurzgesagt explains how it has to do with dark energy, and the nature of nothing, and how only so many things in the universe are gravitationally bound to us.


The good news is that we still have a trillion stars to explore before we even hit our limit and considering that we still haven’t even figured out how to leave our solar system, we have plenty of time before we’ll run out of things to do.


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Here’s the thing: He’s thinking about space ‘travel’ all wrong. The reality is, if we’re ever going to truly explore the universe it will come from folding space, wormholes, quantum teleportation. Yes, I’m talking Stargates. Sounds crazy? Well if you told someone a hundred years ago you could ‘send mail’ to anyone instantly across the world with talking pictures they’d have called you crazy. The truth is getting in a spaceship and traveling across space to one destination to another, even faster than the speed of light just doesn’t make sense - it’ll take too long. There’s really one real answer to space travel - will it take 100 years, 500 to become the masters of space? Will our species even survive that long? Time will tell.