分 (角度)
1. Minute of arcA minute of arc, arcminute, or minute arc (MOA), is a unit of angular measurement equal to one sixtieth (⁄60) of one degree (⁄21,600), or (⁄10,800) radians. In turn, a second of arc or arcsecond is one sixtieth (⁄60) of one minute of arc. Since one degree is defined as one three hundred and sixtieth (⁄360) of a rotation, one minute of arc is ⁄21,600 of a rotation.
Read “Minute of arc” on English Wikipedia
Read “分 (角度)” on Japanese Wikipedia
Read “Minute of arc” on DBpedia
Read “Minute of arc” on English Wikipedia
Read “分 (角度)” on Japanese Wikipedia
Read “Minute of arc” on DBpedia
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