galactic coordinates

galactic coordinates

noun Astronomy.
a system of coordinates utilizing galactic latitude and galactic longitude to define the position of a celestial body with reference to the Milky Way.

Origin:
1930–35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Galactic coordinates is always a great word to know.
So is Polaris. Does it mean:
the polestar or North Star, a star of the second magnitude close to the north pole of the heavens, in the constellation Ursa Minor
the magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light-years
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