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0.0000000000001909080 parsecs is about 4,500,000 times as long as a Grain of Sand.
In other words, it's 4,710,000 times the length of a Grain of Sand, and the length of a Grain of Sand is 0.0000002120 times that amount.
(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 0.00000000000000000004050 parsecs. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 0.0000000000000004890 parsecs in height.
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