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Arcsecond vs Millarcsecond - What's the difference?

arcsecond | millarcsecond |

As nouns the difference between arcsecond and millarcsecond

is that arcsecond is a unit of angle; 1/60th of an arcminute, or 1/3600th of a degree while millarcsecond is (astronomy) a unit of angle equal to one thousandth of an arcsecond.

arcsecond

English

Noun

(en noun)
  • A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.

    • Synonyms

    * second of arc * as (symbol) * arcsec (abbreviation)

    Derived terms

    * milliarcsecond

    Related terms

    * arcminute

    millarcsecond

    English

    Noun

    (en noun)
  • (astronomy) A unit of angle equal to one thousandth of an arcsecond