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How many light-year in 1 exatwain? The answer is 386.60940723346. We assume you are converting between light year and exatwain. You can view more details on each measurement unit: light-year or exatwain The SI base unit for length is the metre. 1 metre is equal to 1.0570008340246E-16 light-year, or 2.7340277144015E-19 exatwain. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between light years and exatwain. Type in your own numbers in the form to convert the units!
1 light-year to exatwain = 0.00259 exatwain
10 light-year to exatwain = 0.02587 exatwain
50 light-year to exatwain = 0.12933 exatwain
100 light-year to exatwain = 0.25866 exatwain
200 light-year to exatwain = 0.51732 exatwain
500 light-year to exatwain = 1.29329 exatwain
1000 light-year to exatwain = 2.58659 exatwain
You can do the reverse unit conversion from exatwain to light-year, or enter any two units below:
A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). More specifically, a light year is defined as the distance that a photon would travel, in free space and infinitely far away from any gravitational or magnetic fields, in one Julian year (365.25 days of 86400 seconds each).
The SI prefix "exa" represents a factor of 1018, or in exponential notation, 1E18.
So 1 exatwain = 1018 .
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