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Hubble's law is the observation that distant galaxies move away from Earth at speeds proportional to their distance.
March 23, 2026The cosmic microwave background is thermal radiation released 380,000 years after the Big Bang, the oldest light observable in any direction.
March 21, 2026The universe has no center. Every point has equal claim to being the middle of everything.
June 13, 2025New research proposes our universe formed from a gravitational bounce inside a massive black hole, not from a singular Big Bang creation.
June 4, 2025