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Observable universe - Wikipedia, the free encyclopedia
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日期:2026-04-24
The comoving distance from Earth to the edge of the observable universe is about 14 gigaparsecs (46 billion light years or 4.3 × 10 26 meters) in any direction. The observable universe is thus a sphere with a diameter of about 29 gigaparsecs (93 Gly or 8....看更多













