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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 the point in question. When combined with declination, these astronomical coordinates specify the ...

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

Jul 20, 2006 ... Newcomers to astronomy can get thrown for a loop when they first encounter declination and right ascension, the terms astronomers use to ...

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 ...

curious.astro.cornell.edu/about-us/112-observational-astronomy/stargazing/technical-questions/699-what-are-ra-and-dec-intermediate

Jun 28, 2015 ... Ask an Astronomer is run by volunteers in the Astronomy ... RA (right ascension) and DEC (declination) are to the sky what longitude and ...

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.britannica.com/science/right-ascension

right ascension: in astronomy, the east–west coordinate by which the position of a celestial body is ordinarily measured; more precisely, it is the angular distance  ...

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

Astronomers base their measurement of positions of objects on the concept of the ... Right ascension is analogous to longitude, is usually measured in units of ...

www.ask.com/youtube?q=Right+Ascension+in+Astronomy&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 ...

oneminuteastronomer.com/934/read-sky-coordinates

Jun 15, 2009 ... The celestial equivalent to longitude is called right ascension. ... Astronomers cooked up this arrangement long ago because the celestial ...