Convert nautical mile (international) to light year
Please provide values below to convert nautical mile (international) [NM] to light year [ly], or Convert light year to nautical mile (international).
How to Convert Nautical Mile (International) to Light Year
1 NM = 1.95756554461375e-13 ly
Example: convert 15 NM to ly:
15 NM = 15 × 1.95756554461375e-13 ly = 2.93634831692063e-12 ly
Nautical Mile (International) to Light Year Conversion Table
| nautical mile (international) | light year |
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Nautical Mile (International)
The international nautical mile is a unit of length used in marine and air navigation, defined as exactly 1,852 meters.
History/Origin
Historically, a nautical mile was defined as one minute of arc of latitude. The international nautical mile was defined by the First International Extraordinary Hydrographic Conference in Monaco in 1929. The United States adopted it in 1954, and the United Kingdom in 1970.
Current Use
The nautical mile is used for maritime and aviation purposes worldwide.
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.