Convert attometer to light year
Please provide values below to convert attometer [am] to light year [ly], or Convert light year to attometer.
How to Convert Attometer to Light Year
1 am = 1.0570008340247e-34 ly
Example: convert 15 am to ly:
15 am = 15 × 1.0570008340247e-34 ly = 1.58550125103706e-33 ly
Attometer to Light Year Conversion Table
| attometer | light year |
|---|
Attometer
An attometer is a unit of length in the metric system equal to 10^-18 meters.
History/Origin
The prefix "atto-" for 10^-18 was adopted by the CGPM (General Conference on Weights and Measures) in 1964.
Current Use
The attometer is used in high-energy physics to describe the scales relevant to quarks and leptons.
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.