minute of arc

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min·ute of arc

See minute1.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.minute of arc - a unit of angular distance equal to a 60th of a degreeminute of arc - a unit of angular distance equal to a 60th of a degree
angular unit - a unit of measurement for angles
arcdegree, degree - a measure for arcs and angles; "there are 360 degrees in a circle"
arcsecond, second - a 60th part of a minute of arc; "the treasure is 2 minutes and 45 seconds south of here"
References in periodicals archive ?
Caption: Alessandro Falesiedi captured this detail in NGC 891, an edge-on galaxy about 13 arcminutes across, by combining 440 minutes of imaging data taken with an 11-inch-aperture telescope.
M27 is of course somewhat larger (on the sky), about 8 arcminutes long, whereas M76 is about 3 arcminutes.
Measured in degrees ([degrees]), arcminutes O and arcseconds ('').
A prominent magnitude 9 yellow star (HD 20224) is situated about 4 arcminutes to the north-east.
In 2008 the angular separation is closer to 42 arcminutes, and it will be after 2060 before the separation is under 30 arcminutes (0.
It's small (about 8 by 4 arcminutes in extent) and presents a pallid face to small scopes.
8, and lies close to Regulus, only 12 arcminutes away from Leo's brightest star.
By mid-April next year, they'll be only 8 arcminutes apart as seen from Earth, and for a few days the Sun's interference will disrupt the ability of ground controllers to send the spacecraft any commands.
10 arcminutes If you aim your binoculars or telescope towards Delta Telescopii (see skymap on p.
Although the galaxies are just 38 arcminutes apart, they aren't twins.
9 arcminutes at the key hydrogen emission line of 1420 MHz (21 cm in wavelength), compared with Arecibo's 3.
5 arcminutes from the Moon's limb and will appear to the unaided eye as a brilliant silvery white spot of light immediately adjacent to the Moon's lower cusp.