Category:Definitions/Seconds of Arc
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This category contains definitions related to Seconds of Arc.
Related results can be found in Category:Seconds of Arc.
The second (of arc) is a unit of measurement of the length of an arc of a circle.
It is defined as the length of the arc which subtends $1$ second (of angle) at the center of the circle.
Pages in category "Definitions/Seconds of Arc"
The following 2 pages are in this category, out of 2 total.