Get a free What If Top 10 book when you sign up for our newsletter: https://underknown.com/newsletter/ The biggest planet in the Solar System has gone rogue. And now it’s heading straight toward Earth. You have 30 days till this gas giant wipes us all out. What speeds would Jupiter be […]
Get a free What If Top 10 book when you sign up for our newsletter: https://underknown.com/newsletter/ 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 […]
Get a free What If Top 10 book when you sign up for our newsletter: https://underknown.com/newsletter/ Dark, mysterious and consuming everything around them, black holes will rip apart anything that passes their event horizons. But could there be more? What would happen if you fell into one of those monstrosities? […]
It’s a small world after all, because today, we’re shrinking Earth to the size of Pluto. But if our planet was this tiny, how would it alter the atmosphere? Why would the Earth get hotter? And how would gravity affect our water supply? Would we be tidally locked to the […]
Out of all the planets in the Universe, Earth is clearly the best for life, right? Wrong. Earth may be great, but scientists have discovered a few worlds that could be even better for life. Behold, KOI 5715.01. Most of the contenders on our superhabitable planet list aren’t the ones […]
Go to https://www.blinkist.com/whatif to receive free unlimited access for 1 week and 25% off a premium membership to this video’s sponsor, Blinkist. 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 […]
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 […]
Pack your bags because you’re traveling through space to see Alpha Centauri. There’s just one problem. It’s going to take 100 years. But is it possible to sleep through the trip? Get comfy because you’re going nighty-night for an entire century. What technology would you need? What would happen to […]
Mars didn’t always look like this. It may have once been covered in oceans. But what if we brought all the Martian water back and transformed the red planet into one that’s half blue? What would Mars look like if it was 50% land and 50% water? Where would we […]
Get 25% off Blinkist premium and enjoy 2 memberships for the price of 1! Start your 7-day free trial by clicking here: https://www.blinkist.com/whatif One minute, you’re setting up a new space station orbiting Jupiter. The next, you’re plunging right into the middle of a giant, red cyclone of death. What […]
