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Length/Distance | Convert from marathon to gigaparsec |
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Common Length Conversions Metric Length Conversions Unit Definition (marathon) A long distance event based on an ancient Greek event, run over a distance of just over 26 miles. Unit Definition (gigaparsec) The Gigaparsec is a non-metric unit of distance equal to one billion parsecs, 3.2616 billion light years, or 30.856 78 zettameters (30.856 78 x 1021 kilometers). The unit is used in astronomy.
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