nightside

American  

[nahyt-sahyd] / ˈnaɪtˌsaɪd /

noun

1. Journalism. the night shift of a newspaper.

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

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Etymology

Origin of nightside

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

Example Sentences

A global magma ocean might move some heat from the dayside toward the nightside, but without an atmosphere the permanently dark side would solidify, limiting how much energy could be redistributed.

From Science Daily

With such a tight orbit, the planet is also likely to be tidally locked, with a dayside that faces the star at all times and a nightside in perpetual darkness.

From Science Daily

"This is a very strong indication that energy is being distributed from the dayside to the nightside, most likely by a volatile-rich atmosphere."

From Science Daily

While currents of lava can carry some heat around to the nightside, they cannot move it efficiently enough to explain the cooling effect.

From Science Daily

Although the nightside never receives any direct radiation from the star, strong eastward winds transport heat around from the dayside.

From Science Daily