Convert megalithic yard to astronomical unit
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 astronomical unit:
Astronomers use astronomical unit (ua or au or AU) as yardstick for measuring the distances between objects in the Solar System. AU is defined as the distance from the center of the Earth to the center of the Sun. Currently it is accepted that this length is 149 597 870 691 meters, with an uncertainty of about 30 meters.