Convert light year to Roman actus
Please provide values below to convert light year [ly] to Roman actus [actus], or Convert Roman actus to light year.
How to Convert Light Year to Roman Actus
1 ly = 266659295278409 actus
Example: convert 15 ly to actus:
15 ly = 15 × 266659295278409 actus = 3.99988942917614e+15 actus
Light Year to Roman Actus Conversion Table
| light year | Roman actus |
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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.
Roman Actus
The Roman actus was a unit of length equal to 120 Roman feet, about 35.5 meters.
History/Origin
The actus was a standard unit of land measurement in the Roman Empire.
Current Use
The Roman actus is an obsolete unit of measurement.