1 light year = 63,240 Astronomical Units
Light years and astronomical units are both units of distance.
Betelgeuse is 40,473,416.93376 AU' (Astronomical Units) from Earth.
Units such as light years and astronomical units are useful because they can be used to measure very large distances without yielding extremely large numbers.
16 light years is 1,011,834.75 AU (Astronomical Units).
5.5 light years equates to 347,818.194 AU (Astronomical Units).
Astronomical Units, parsecs, light years, take your pick.
I'm pretty sure Algol is 105 light years away.
You can use astronomical units or light years.
Astronomical units, light years, parsecs, and astronomical units are commonly used to measure distances in space. Other units include solar radii, astronomical units, and light years to measure sizes and distances of objects in space.
Normally in Astronomical Units (AU) which is the average distance from the earth to the sun.
Pluto's orbit is not measured in light years as it is within our solar system. Pluto's average distance from the Sun is about 3.7 billion miles or 39.5 astronomical units.