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Streamed 11 months ago
What If
8M subscribers
Tags
what if
what happens if
scifi
science documentary
what if scenario
mysteries
what if cosmos
cosmos
hypothetical
hypothetical scenario
hypothetical scenarios
galaxy
universe
gravity
exoplanet
exoplanets
goldilocks zone
goldilock zone
solar system
sun
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b cen b
proxima centauri b
binary star
binary star system
kepler
kepler 36b
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ogle 2005 blg 390lb
k2 141b
k2 141b hell planet
ogle tr 56b iron rain
kelt 9b
kelt 9b planet
HD 189733b
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