galactic longitude


Definition of galactic longitude

: longitude in the system of galactic coordinates measured in degrees eastward from the point where the galactic equator crosses the celestial equator in the constellation Aquila

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First Known Use of galactic longitude

1872, in the meaning defined above

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Time Traveler for galactic longitude

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The first known use of galactic longitude was in 1872

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Dictionary Entries Near galactic longitude

galactic latitude

galactic longitude

galactic noise

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Statistics for galactic longitude

Cite this Entry

“Galactic longitude.” Dictionary, Merriam-Webster, Accessed 17 May. 2022.

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