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Galactic NavigationDegrees LongitudeLook at the Degrees Longitude diagram. See the bright galactic center and the 0o line that runs through it. Instead of going from 0o to 180o east and 180o west, galactic coordinates simply go from 0o to 360o. There is no east/west or plus/minus in galactic longitude coordinates. Remember that 360o is the same as 2 x 180o, or 180o is half of 360o. Notice on the diagram that directly opposite of the 0o line is the 180o line. |
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Revised: April 09, 2008
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