Source: wikibot/astronomical-system-of-units

= Astronomical system of units
{wiki=Astronomical_system_of_units}

The Astronomical System of Units (ASU) is a system of measurement used primarily in astronomy, particularly in the context of celestial mechanics, to facilitate calculations involving large distances and masses in the universe. It is based on a few fundamental natural constants. The primary units in the Astronomical System of Units include: 1. **Astronomical Unit (AU)**: The average distance from the Earth to the Sun, approximately \\(1.496 \\times 10^\{11\}\\) meters.