Underknown
Popular Science on Streaming TV

Published: March 20, 2026
Video Description
Enjoying this video? 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
00:00 What If You Traveled to Pluto?
12:44 What If Earth Was As Small as Pluto?
20:31 What Would Dying on Every Planet Be Like?
46:46 What If You Watched a Sunset on Every Planet?
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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.
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#whatif #space #spaceexploration #universe #pluto