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Right ascension

en.wikipedia.org/wiki/Right_ascension

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  ...

Right ascension

www.physics.csbsju.edu/astro/CS/CS.10.html

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 says ...

Celestial Equatorial Coordinate System - Basic Coordinates and ...

astro.unl.edu/naap/motion1/cec_units.html

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 ...

What Are Celestial Coordinates - Understanding Celestial Coordinates

www.skyandtelescope.com/astronomy-resources/what-are-celestial-coordinates/

Jul 20, 2006 ... "Right ascension" and "declination" tell you where your telescope is pointed in the sky. But what are celestial coordinates, really?

Celestial Coordinate System

csep10.phys.utk.edu/astr161/lect/time/coordinates.html

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 & Declination Astronomical Coordinate System

www.go-astronomy.com/articles/coordinate-system.htm

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.

www.ask.com/youtube?q=Right Ascension&v=0RqDUOSf4ts
Mar 1, 2012 ... This animation explains how to measure declination and right ascension. More about how these measurements are used in astronomy and WJ ...

Lecture 1: Introduction to Astronomy 250

ircamera.as.arizona.edu/astr_250/Lectures/LECTURE_01.HTM

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 | Define Right ascension at Dictionary.com

www.dictionary.com/browse/right-ascension

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  ...

Right ascension - definition of right ascension by The Free Dictionary

www.thefreedictionary.com/right ascension

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 hour ...

Answers
right ascension
NOUN [ASTRONOMY.]
1.
the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
Source: Dictionary.com
right ascension | Define right ascension at Dictionary.com
dictionary.reference.com/browse/right ascension
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