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Browsing Tag

horizon of universe

1 post
PPhysics
Observable universe is 93 billion light years wide but what’s beyond it? Here’s what we can’t see...
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Observable universe is 93 billion light years wide but what’s beyond it? Here’s what we can’t see…

  • September 1, 2025
One of the most important pieces of evidence for this limit is the cosmic microwave background radiation, faint…
Ireland
www.europesays.com