1521 lightyears equals 96,189,678.25 astronomical units.
Convert 1521 lightyears into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, parsecs, etc...
Convert 96189679 astronomical units into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, parsecs, etc...