Watch the full episode: youtube.com/watch?v=ios7saRWbWo In September 2015, gravitational waves finally struck Earth. Luckily, the gravitational waves weakened over such a great distance. But what if we weren't so lucky? If a couple of black holes in our solar system collided, could we survive? Questions or concerns? Contact us at underknown.com/contact Interested in sponsoring our episodes or collaborating? Email us: inquiries@underknown.com Get our 100 best episodes in one mind-blowing book: bit.ly/ytc-the-what-if-100-book Join this channel to get access to perks: youtube.com/channel/UCphTF9wHwhCt-BzIq-s4V-g/join Check out our other channels: How to Survive: bit.ly/how-to-survive-show Aperture: bit.ly/aperture-show Crazy Creatures: bit.ly/crazy-creatures-show Your Body On: bit.ly/your-body-on-show Origins of Food: bit.ly/origins-of-food Versus: bit.ly/versus-show WTF Did I Just Watch: https://...