Watch the full episode: youtube.com/watch?v=E9lXjAkymN4 It's the largest star that we've ever discovered. And if it were to replace our Sun, it would change a lot more than just the amount of sunscreen you'd have to put on. Like, how long would it take for our planet to orbit this massive star? What would that do to our seasons? And would we even survive a single orbit? 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/ori...