Convert exameter to light year
Please provide values below to convert exameter [Em] to light year [ly], or Convert light year to exameter.
How to Convert Exameter to Light Year
1 Em = 105.70008340247 ly
Example: convert 15 Em to ly:
15 Em = 15 × 105.70008340247 ly = 1585.50125103706 ly
Exameter to Light Year Conversion Table
| exameter | light year |
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Exameter
An exameter is a unit of length in the metric system equal to 10^18 meters.
History/Origin
The prefix "exa-" for 10^18 was adopted by the CGPM (General Conference on Weights and Measures) in 1975.
Current Use
The exameter is used in astronomy to measure the vast distances between galaxies.
Light Year
A light-year is the distance that light travels in a vacuum in one Julian year.
History/Origin
The concept of the light-year as a unit of distance in astronomy emerged in the mid-19th century. The first recorded use of the term was in a German astronomical publication in 1851.
Current Use
The light-year is used to express distances to stars and other astronomical objects on a galactic and intergalactic scale, especially in popular science and non-specialist contexts.