Convert millimicron to astronomical unit
Selected category: length.
Definition and details for millimicron:
Millimicron (mµ) was used in past as a metric unit of distance equal to 0.001 micron. Now it's been replaced by its equivalent, the nanometer.
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.