File:Ra and dec on celestial sphere.png

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Description Diagram of a star's right ascension and declination as seen from outside the celestial sphere. Depicted are the star, the Earth, lines of RA and dec, the vernal equinox, the ecliptic, the celestial equator, and the celestial poles.
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Author Tfr000 (talk) 15:34, 15 June 2012 (UTC)

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current15:34, 15 June 2012Thumbnail for version as of 15:34, 15 June 2012990 × 1,000 (506 KB)Tfr000{{Information |Description=Diagram of a star's right ascension and declination as seen from outside the celestial sphere. Depicted are the star, the Earth, lines of RA and dec, the vernal equinox, the ecliptic, the celestial equator, and the celestial ...
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