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nightside

American  
[nahyt-sahyd] / ˈnaɪtˌsaɪd /

noun

  1. Journalism. the night shift of a newspaper.

  2. Astronomy. the dark side of a planet or moon.


Etymology

Origin of nightside

1840–50 for an earlier sense; night + side 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A molten surface ocean could move some heat, but without an atmosphere, the nightside would likely remain solid, limiting heat transfer.

From Science Daily • Mar. 22, 2026

A smeared-out thermal emission across both a world’s illuminated dayside and its dark nightside would suggest some medium for transporting heat from infalling starlight—that is, an atmosphere.

From Scientific American • May 11, 2023

Whenever Hubble orbits on the nightside of Earth, it loses the view of the Sun and must store power in its batteries.

From The Verge • Jan. 24, 2022

From this gravity-balanced, fuel-efficient location, the telescope will keep pace with Earth while orbiting the sun, continuously positioned on Earth’s nightside.

From Seattle Times • Dec. 20, 2021

Not really shadow where he sat, but the rim around him, below him, and curving away from him, had disappeared in its brief nightside, and there came Hot Rod again.

From Where I Wasn't Going by Richmond, Walt