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| Definition Of: |
Arc Second
Abbreviated arcsec. A unit of angular measure in which there are 60 arc seconds in 1 arc minute and therefore 3600 arc seconds in 1 arc degree . One arc second is equal to about 725 km on the Sun.
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Physics INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 A: Page 1 of 1.
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