Right ascension (abbreviated RA; symbol α) is the angular distance measured
eastward along the celestial equator from the vernal equinox to the hour circle of
Term: right ascension. The stars on the celestial sphere are like cities on the
globe. Cities are located on the globe using latitude and longitude. Longitude
The second coordinate in the celestial equatorial system is right ascension. It is
analogous to (but not the same as) longitude. Much has Greenwich is the ...
Jul 20, 2006 ... "Right ascension" and "declination" tell you where your telescope is pointed in
the sky. But what are celestial coordinates, really?
The celestial equivalent of longitude is called right ascension. Right ascension
can be measured in degrees, but for historical reasons it is more common to ...
Right Ascension and Declination are a system of coordinates used in astronomy
to determine the location of stars, planets and other objects in the night sky.
Mar 1, 2012 ... This animation explains how to measure declination and right ascension. More
about how these measurements are used in astronomy and WJ ...
Right ascension is analogous to longitude, is usually measured in units of time:
hours, minutes, seconds. The zero-point for right ascension is the Vernal ...
Right ascension definition, the arc of the celestial equator measured eastward
from the vernal equinox to the foot of the great circle passing through the celestial
The angular distance of a celestial body or point on the celestial sphere,
measured eastward from the vernal equinox along the celestial equator to the