Mercury is a strange, hot mess of a planet. This rock is closest to the Sun, but its surface temperatures can plummet to as low as -180 °C (-290 °F). It has the strangest sunrises and sunsets in the entire Solar System. And one day on this planet lasts about two years. But you don't have to survive a whole day down there. We're sending our team member Chase on a mission to spend just 5 seconds on Mercury. 00:00 What If You Spent 5 Seconds on Mercury? 00:51 Mercury's Exosphere is Almost as Thin as the Vacuum of Space 03:53 Mercury's Daytime Lasts 176 Earth Days 06:37 Mercury Experiences a Double Sunrise 07:40 To Witness the Retrograde Sunrise on Mercury, One Must Remain on its Surface For a Few Hours Get the What if book: http://bit.ly/ytc-the-what-if-100-book Join this channel to get access to perks: null Interested in sponsoring our episodes or collaborating? Email us: contact@underknown.com Our other channels: How to Survive: https://bit.ly/how-to-survive-show Aperture: https://bit.ly/aperture-show T-shirts and merch: https://bit.ly/shopwhatif Newsletter: http://bit.ly/whatif-newsletter What If elsewhere: Discord: https://discord.gg/Bj5UnspbwE Whatsapp: https://whatsapp.com/channel/0029Va8VC502ER6r1yk1yP2Y Instagram: http://bit.ly/whatif-instagram Twitter: http://bit.ly/whatif-twitter Facebook: http://bit.ly/facebook-whatif Produced with love by Underknown in Toronto: https://underknown.com/ #whatif #cosmos #mercury #space #nasa