NASA: experts at space exploration, zero gravity, and broom combustion.
Sources:
https://www.iflscience.com/the-broom-test-one-of-the-stupidest-things-that-ever-took-place-at-nasa-67319
https://www.nasa.gov/content/liquid-hydrogen-the-fuel-of-choice-for-space-exploration
Music:
https://www.purple-planet.com
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