Alcionius A Cosmic Time Machine Revealing The Universe’s Secrets!

What does it really mean when scientists say the universe is expanding? Is space itself stretching, or are galaxies flying apart through emptiness? In this video, we break down what actually expands in an expanding universe — how Einstein’s theory of general relativity, Edwin Hubble’s redshift discovery, and dark energy all fit together to explain the growth of spacetime. Perfect for anyone curious about astronomy, physics, or the mysteries of the cosmos. Subscribe for more science-based space videos every week — explained simply, factually, and visually. #spacefacts #cosmos #expandinguniverse #darkenergy #hubblelaw #astronomy #astrophysics #spaceexplained #universefacts #sciencechannel #cosmicwonders #spacetime #somewhereinspace