Get 20% off Grammarly Premium by signing up at https://grammarly.com/WHATIF The Sun isn’t the biggest thing in our Solar System. And it’s not Jupiter, either. But close. It’s Jupiter’s very own magnetic field. What would it be like if Earth’s magnetic field was as huge as Jupiter’s? How much stronger […]
A rogue star is headed straight for our Sun. If these two stars slam into each other, it could spell the end of all life on our planet. How could a rogue star end up in our Solar System? What would this epic collision look like? And how much time […]
Thanks to Established Titles for sponsoring this video! Get 10% off on any purchase with code WhatIf. Go to https://establishedtitles.com/WhatIf and help support the channel! Some of the planets in our Solar System are gigantic. But what if they got even bigger? Let’s go up the planetary size chart and […]
Get a free What If Top 10 book when you sign up for our newsletter: https://underknown.com/newsletter/ Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary neighborhood. Where would this planet need to orbit within the Sun’s habitable zone? How […]
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 […]
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Stay turned for our new exciting Saturday episode where Peter, our host, will do a real life What If challenge! One of the lucky viewers of that episode will get a chance to meet the What If team. This blue, marble-like planet looks just like Earth. But only five seconds […]
