The parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System, approximately equal to 3.26 light-years or 206,265 …

Parsec, unit for expressing astronomical distance that is equal to 3.26 light-years.

Jul 29, 2022 · A parsec is a unit of distance that is often used by astronomers as an alternative to the light-year, just as kilometers can be used as an alternative to miles.

Sep 20, 2025 · Here’s the short answer: one parsec equals about 3.26 light-years —or nearly 19 trillion miles! For K-6 learners, this idea sparks amazement because it vividly shows just how …

What is a Parsec? A parsec is a unit of length that astronomers use to gauge the unimaginably large distances to objects beyond our Solar System. It's like an astronomical yardstick, but …

Nov 14, 2013 · But what is a parsec exactly? Basically, it's a unit of length used to measure the astronomically large distances between objects beyond our Solar System. One parsec is the …

A parsec is equal to about 3.26 light-years or roughly 31 trillion kilometres (19 trillion miles). The unit has its origins in one of the first methods of determining the distance to the stars.

Jul 7, 2025 · Specifically, one parsec is defined as the distance at which an object exhibits a parallax angle of one arcsecond. An arcsecond is 1/3600th of a degree. Mathematically, the …

Jan 19, 2025 · A parsec is a unit of distance used in astronomy to measure vast spaces between celestial objects. It stands for "parallax of one arcsecond," and it's a crucial concept for …

May 21, 2024 · A parsec is an astronomical unit of measurement that is equivalent to 3.26 light years distance, or the distance photons will travel in vacuum over the period of 3.26 years.