A parsec is a unit of distance that’s typically utilized by astronomers as an alternative choice to the light-year, simply as kilometers can be utilized as an alternative choice to miles. Sci-fi franchises similar to “Star Wars” have been recognized to misuse the phrase “parsec”, mistakenly describing it as a measurement of time or velocity.
In reality, one parsec is roughly 3.26 light-years, or virtually 19 trillion miles (31 trillion km), in response to the California Institute of know-how (opens in new tab) (Caltech).
The time period parsec is a mixture of “parallax” and “arcsecond,” which derives from the usage