There are places in the Universe where you could turn to ash, freeze to death or be completely crushed by gravity. And you’re about to visit them all. What conditions make some of these exoplanets so dangerous? What would happen if you set foot on them? And which planet would […]
Download the Speakly app at https://speakly.app.link/Speakly and get a 60% discount if you join the annual subscription. Something is very wrong with our Sun. It’s turned into a spinning lighthouse of death. What would make the Sun so much more deadly than usual? Would there be any way life on […]
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 […]
Thank you to Surfshark VPN for sponsoring this video. Get their VPN service at https://Surfshark.deals/pow and enter promo code POW for 83% off and 3 extra months for free. A short, fictional story about three different species, all in the same place, and none of them aware of each other. […]
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? […]
Follow Michael Stevens for neat stuff: http://www.twitter.com/tweetsauce SOURCES BELOW music by http://www.youtube.com/JakeChudnow and http://www.audionetwork.com SixtySymbols video on new black hole theory: http://www.youtube.com/watch?v=RXTGInIbD_Q “How Hot Can it Get?” Vsauce video: http://www.youtube.com/watch?v=4fuHzC9aTik “What Will We Miss?” Vsauce video: http://www.youtube.com/watch?v=7uiv6tKtoKg Taijitu: http://en.wikipedia.org/wiki/Taijitu Yin Yang blackhole art (made by https://twitter.com/guylar ): http://imgur.com/IpD5L4l Roman ‘Yin […]
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 […]
