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The early universe was not silent: shortly after the Big Bang it was filled with a hot, glowing plasma in which gravity-driven pressure waves—literally sound—left peaks and troughs that we still see as tiny brightness...
Unknown · 0:00
The early universe was not silent: shortly after the Big Bang it was filled with a hot, glowing plasma in which gravity-driven pressure waves—literally sound—left peaks and troughs that we still see as tiny brightness...
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