The observable universe is the spherical region of space from which light has had sufficient time to reach Earth since the Big Bang, creating a boundary defined by the finite speed of light and the age of the universe; this boundary is not a physical wall but a limit of our cosmic vision, beyond which may exist infinitely more universe that we can never observe or know.
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The Invisible Boundary of the Universe! 😱 #shorts #trending #viral #space #universe #planet #cosmosAdded:
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