Convert Mm to Ly (Length)




Description:

One millimeter equals approximately 1.057×10⁻¹⁹ light-years. A 500 mm observatory mirror equals 5.285×10⁻¹⁷ light-years, useful for converting engineering specs to cosmic terms.
General Formula: \[\frac{mm}{9.4607\times10^{18}} = ly\]
Symbols: mm (millimeter) = 0.001 meters; ly (light‑year) = the distance light travels in one year; 9.4607×10^18 = the number of millimeters in one light‑year.

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