How many mm in 1 megalight-year?
The answer is 9.454254955488E+24.
We assume you are converting between millimetre and megalight year.
You can view more details on each measurement unit:
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megalight-year
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 1.0577248071986E-22 megalight-year.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and megalight years.
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A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.

Definition: Megalight-year

One megalight-year, abbreviated "Mly", is one million light-years, or 306,601 parsecs. Megalight-years are typically used to measure distances between neighboring galaxies and galaxy clusters.

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