A parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System. One parsec is approximately 3.26 light-years or about 30.9 trillion kilometers.
Examples
**Example:** The nearest star to our Sun, Proxima Centauri, is about 1.3 parsecs (4.24 light-years) away. The center of our Milky Way galaxy is approximately 8,000 parsecs from Earth.