HOW LIFE GOT THIS WAY

The Making of Us and Our World, from the Big Bang to Big Data

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light-year

The distance that light travels in a year.  On the order of ten trillion kilometers.

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Related Articles:
  • 10.II: The Big Bang
  • 10.III: The Matter-Dominated Era
This entry was posted on February 27, 2020 by Scot.

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