Both are units of length; both are large compared to our everyday experience; both are used in astronomy.
1 light year = 63,240 Astronomical Units
A light year is much larger. 1 light year = 63,240 Astronomical Units
1 light year = 63 239.6717 Astronomical Units
About 63,240.
One Light-year is 63,024 Astronomical units.
1 light year = 9,460,730,472,580.8 km or 63,239.7263 Astronomical Units (AU).
Light-years are mainly used to specify distances to other stars and galaxies, diameters of galaxies, galaxy walls, and the like.
Light-year, or Parsec.
There are approximently 63,239.6717 Astronomical Units (AU) in a Light-year (LY).
A light year
fro science astronomical units are used.BUt we use light year as a unit of science for distance