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[Compilation] 42 Mysteries of the Universe that Still Haven't Been Solved [Slow Commentary] ▼Table of Contents0:00~ 7 Mysteries of the Universe that Still Haven't Been Solved⑧25:35~ 5 Mysteries of the Universe that Still Haven't Been Solved⑤46:54~ 4 Unsolved Problems of Black Holes1:23:41~ 11 Mysteries of Mercury that Still Haven't Been Solved1:55:48~ 5 Mysteries of the Universe that Still Haven't Been Solved⑨2:29:47~ 5 Mysteries of the Universe that Still Haven't Been Solved⑩2:57:06~ 5 Mysteries of the Universe that Still Haven't Been Solved④We look forward to your comments and thoughts♪ Please feel free to comment with your thoughts.This channel is themed around "space".We hope you will subscribe to the channel and wait for the video! ▼Subscribe to the channel / @space-hunter ------------ ▼Popular compilation: 10 mysteries of solar system objects • [Compilation] 10 mysteries of solar system objects so fascinating you won't be able to sleep [Slow explanation] 9 mysteries of space • [Compilation] 9 mysteries of space so fascinating you won't be able to sleep [Slow explanation] 10 terrifying mysteries of space • [Compilation] 10 terrifying mysteries of space so fascinating you won't be able to sleep [Slow explanation] 9 mysteries of space full of hope • [Compilation] 9 hopeful mysteries of space to listen to before going to bed at night [Slow explanation] 8 space rankings① • [Compilation] So fascinating you won't be able to sleep! 8 space rankings [Slow commentary] 7 space rankings② • [Compilation] 7 space rankings so fascinating you won't be able to sleep [Slow commentary] 9 space rankings③ • [Compilation] 9 space rankings to listen to before going to sleep at night [Slow commentary] 10 space hypotheses • [Compilation] 10 space hypotheses so fascinating you won't be able to sleep [Slow commentary] 55 pieces of space trivia • [Compilation] 55 pieces of space trivia so fascinating you won't be able to sleep [Slow commentary] 9 amazing celestial bodies in space • [Compilation] 9 amazing celestial bodies in space so fascinating you won't be able to sleep [Slow commentary] #space #slow commentary