Convert milliparsec to shackle (Britain 1949)
Selected category: length.
Definition and details for milliparsec:
Milliparsec is a unit of distance used by astronomers. This unit is equal to 0.001 parsec.
Definition and details for shackle (Britain 1949):
In 1949 the Royal Navy redefined shackle as 90 feet or 27.432 meters.