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#knowledge #know_everything #learn #science #space #astronomy #universe #education #facts #interesting_facts #technology #black_holes #stars #planets #galaxies #exploration #history #nature #mysteries #physics #discoveries #space_exploration #exoplanets #cosmos #multiverse #future_technology #scientific_research #space_missions #astrophysics #quantum_physics #time_travel #wormholes #extraterrestrial_lifeComments: