Definition of Milky Way
1
: a broad luminous irregular band of light that stretches completely around the celestial sphere and is caused by the light of myriads of faint stars
2
: milky way galaxy
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From the Editors at Merriam-Webster
The Far-Out History of 'Galaxy'
The Far-Out History of 'Galaxy'
Don't cry over spilled galaxies
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“Milky Way.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Milky%20Way. Accessed 25 Feb. 2021.
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The first known use of Milky Way was in the 14th century
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