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Meanings of arcsec in anglès

The inverse function of the secant; the angle that has a secant equal to a given number.

Usage of arcsec in anglès
1
Its disc spans 18 arcsec, with bands of cloud that are a pale imitation of those of Jupiter.
The Guardian
2
Viewed telescopically, it shrinks from 7.5 to 6.5 arcsec wide.
The Guardian
3
Catch them below-left of the Moon on the 15th when the cloud-swathed planet appears 41 arcsec wide.
The Guardian
4
Shrinking in width from 41 to 37 arcsec, it stands near the Moon on the 3rd and 30th.
The Guardian
5
The unrivalled rings, though, stretch for 41 arcsec and are wide open with their N face tipped 27° towards us.
The Guardian
Arcsec through the time