Examples of using Angular separation in English and their translations into Portuguese
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Ecclesiastic
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Ecclesiastic
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Computer
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Official/political
The closest such angular separation occurs every 10,000 years.
By 1927, the object was found to be a pair of stars with an angular separation of 2.95 arcseconds.
The pair have an angular separation of 31.4″ at a position angle of 126.1°.
This is a binary star system with a magnitude 4.8 companion at an angular separation of 0.11 arcseconds.
The companion star has a very large angular separation of 252 arcsec, corresponding to 9080 AU at the distance of HD 20782.
Uncharacteristically for bodies locked in resonance with Neptune(such as Orcus),Ixion approaches Pluto with less than 20 degrees of angular separation.
It is a binary star system with an angular separation of 4.0 arcseconds.
The minimum angular separation would be less than 1′, and occasionally the Moon would be seen to transit in front of or pass behind(be occulted by) the Earth.
Relative to Neptune, the amplitude of libration is 38°,and so the angular separation of Pluto's perihelion to the orbit of Neptune is always greater than 52° 90°-38°.
They have an angular separation of 309.2 arc seconds(5.2 arc minutes); far enough apart to appear as a close pair of separate stars to the naked eye under suitable viewing conditions.
Alpha Reticuli has a 12th-magnitude visual companion, CCDM J04144-6228B, at an angular separation of 48 arcseconds away along a position angle of 355°.
At maximum angular separation, the Earth and Moon would be easily distinguished as a double planet, but about one week later they would merge into a single point of light(to the naked eye), and then about a week after that, the Moon would reach maximum angular separation on the opposite side.
The secondary star has a visual apparent magnitude of 9.95 and in 2007 was located at an angular separation of 13.06 arcseconds and position angle of 252.5°, in relation to the primary.
The maximum angular separation of the Earth and Moon varies considerably according to the relative distance between the Earth and Mars: it is about 17′ when Earth is closest to Mars(near inferior conjunction) but only about 3.5′ when the Earth is farthest from Mars near superior conjunction.
Although at one point its orbit approaches that of Neptune,the resonance between the two bodies means that Orcus itself is always a great distance away from Neptune there is always an angular separation of over 60 degrees between them.
The instrument achieves high contrast at small angular separations, allowing for the direct imaging and integral field spectroscopy of extrasolar planets around nearby stars.
A visual binary star is a binary star for which the angular separation between the two components is great enough to permit them to be observed as a double star in a telescope, or even high-powered binoculars.
In mathematics(in particular geometry and trigonometry) and all natural sciences(e.g. astronomy and geophysics),the angular distance(angular separation, apparent distance, or apparent separation) between two point objects, as viewed from a location different from either of these objects, is the angle of length between the two directions originating from the observer and pointing toward these two objects.
Observation of visual double stars by visual measurement will yield the separation, or angular distance, between the two component stars in the sky and the position angle.