Convert light year to petameter
Please provide values below to convert light year [ly] to petameter [Pm], or Convert petameter to light year.
How to Convert Light Year to Petameter
1 ly = 9.46073047258 Pm
Example: convert 15 ly to Pm:
15 ly = 15 × 9.46073047258 Pm = 141.9109570887 Pm
Light Year to Petameter Conversion Table
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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.
Petameter
A petameter is a unit of length in the metric system equal to 10^15 meters.
History/Origin
The prefix "peta-" for 10^15 was adopted by the CGPM (General Conference on Weights and Measures) in 1975.
Current Use
The petameter is used for measuring distances on a galactic scale, such as the size of the Milky Way galaxy.