Convert megalithic yard to parsec
Selected category: length.
Definition and details for megalithic yard:
Megalithic yard is a unit of length used in the construction of megalithic monuments such as Stonehenge. In 1951 the Scottish engineer Alexander Thom (1894-1985) defined this unit equal to about 82.91 cm.
Definition and details for parsec:
Parsec (pc or psc) is a unit of distance used by the astronomers. Parsec is defined as the distance at which a star would appear to shift its position by one arcsecond during the time in which Earth moves one astronomical unit perpendicular to the direction of the star.