Convert light year to gigameter
Please provide values below to convert light year [ly] to gigameter [Gm], or Convert gigameter to light year.
How to Convert Light Year to Gigameter
1 ly = 9460730.47258 Gm
Example: convert 15 ly to Gm:
15 ly = 15 × 9460730.47258 Gm = 141910957.0887 Gm
Light Year to Gigameter 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.
Gigameter
A gigameter is a unit of length in the metric system equal to 10^9 meters.
History/Origin
The prefix "giga-" for 10^9 was adopted by the CGPM (General Conference on Weights and Measures) in 1960.
Current Use
The gigameter is used for measuring interplanetary distances, for example, the distance between Earth and Mars.