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Dimensionless Ratio (en) > Angle (en) > radián > Milli ArcSecond (en)

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m''Milli ArcSecond (en)  

تعريف

  • A minute of arc, arcminute, or minute arc (MOA), is a unit of angular measurement equal to one sixtieth (1/60) of one degree (circle/21,600), or $\\pi /10,800 radians$. In turn, a second of arc or arcsecond is one sixtieth (1/60) of one minute of arc. Since one degree is defined as one three hundred and sixtieth (1/360) of a rotation, one minute of arc is 1/21,600 of a rotation. the milliarcsecond, abbreviated mas, is used in astronomy.

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https://vocab.sentier.dev/units/unit/MilliARCSEC

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