: the side of a celestial body (such as the earth, the moon, or a planet) not in daylight
Examples of nightside in a Sentence
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Fujii recorded the impacts using cameras aimed at the moon's nightside, sharing the dramatic videos on his X account.
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Daisy Dobrijevic, Space.com, 4 Nov. 2025
Its star-facing dayside is scorching, while its nightside is much cooler.
—Jamie Carter, Forbes, 19 Feb. 2025
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Daisy Dobrijevic, Space.com, 4 Nov. 2025
Its star-facing dayside is scorching, while its nightside is much cooler.
—Jamie Carter, Forbes, 19 Feb. 2025
See All Example Sentences for nightside
Cite this Entry
“Nightside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nightside. Accessed 25 Jan. 2026.
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