What if black holes aren’t just cosmic monsters, but gateways to realities we can barely imagine? Could our entire universe exist inside one? What would happen if you fell into the biggest void in space, traveled beyond the Big Bang, or entered a mysterious white hole? And could even a nanosecond inside a black hole change everything? 00:05 - Most People Have Never Seen a Black Hole Past Number One 23:54 - What If Our Universe Was Inside a Black Hole? 45:27 - What If You Fell Into the Biggest Void in the Universe? 1:01:27 - What If You Traveled Through a Black Hole? 1:09:50 - What If a Gamma-Ray Burst Hit a Black Hole? 1:16:09 - What If You Traveled to Before the Big Bang? 1:37:39 - What If You Entered a White Hole? 1:45:19 - What If You Spent a Nanosecond in a Black Hole? 👍 Enjoyed the video? Hit LIKE and comment below: Which cosmic apocalypse scenario scares you the most? Dive even deeper into the world of science and discovery with Popular Science, the free streaming channel bringing you more of what you love from What If, plus epic explorations in engineering, rocket launches, movies, space, and Earth sciences https://underknown.com/popularscience/ Support us on Patreon: https://www.patreon.com/whatifshow/membership Check out our other channels: How to Survive: https://bit.ly/how-to-survive-show Animalogic: https://www.youtube.com/@UCwg6_F2hDHYrqbNSGjmar4w Aperture: https://bit.ly/aperture-show T-shirts and merch: http://bit.ly/whatifstore What If elsewhere: Instagram: http://bit.ly/whatif-instagram Discord: https://discord.gg/Bj5UnspbwE Podcast: http://bit.ly/yt-what-if-show-podcast 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. Contact us at https://underknown.com/contact/ NUGABYMSNFFFZU7D 0GWVSHHOVSTAV0ZL 9AY5EFPHMA2FZLLF #whatif #science #earth #universe #cosmos