Big Bang or Steady State? (Cosmology: Ideas)

Big Bang or Steady State? (Cosmology: Ideas)

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日期:2026-04-25
Steady-state theory also had an observational advantage over big-bang theory in 1948. The rate of expansion then observed, when calculated backward to an initial big bang, gave an age for the universe of only a few billion years—well below the ......看更多