Aspects are measured by the angular distance in degrees and minutes of ecliptic longitude between two points, as viewed from Earth.
From the en.wikipedia.org
The position angle of the secondary with respect to the primary is measured, together with the angular distance between the two stars.
From the en.wikipedia.org
Right ascension's angular distance is measured eastward along the celestial equator from the vernal equinox to the hour circle of the point in question.
From the en.wikipedia.org
After completing a sidereal month the Moon must move a little further to reach the new position having the same angular distance from the Sun.
From the en.wikipedia.org
The Xbox 360 copy protection functions by requesting the DVD drive compute the angular distance between specific data sectors on the disc.
From the en.wikipedia.org
The aspects are measured by the angular distance along the ecliptic in degrees and minutes of celestial longitude between two points, as viewed from the earth.
From the en.wikipedia.org
Matthews calculated the angular distance between the 100 brightest stars in the sky and turned them into 1 million pairs of random numbers, around 61 per cent of which had no common factors.
From the newscientist.com
The perceived size of an object of constant angular size varies with its perceived distance.