Noun
nightside (plural nightsides)
(astronomy) The side of a planet that faces away from the sun around which it orbits.
Synonym: darkside
Antonym: dayside
One reason nearly half my books are for children is the glorious fact that the minds of children are still open to the living word; in the child, nightside and sunside are not yet separated; fantasy contains truths which cannot be stated in terms of proof. Madeleine L'Engle
Ions and electrons of the solar wind are deflected by the magnetosphere; solar wind pressure compresses the dayside of the magnetosphere, to about 10 Earth radii, and extends the nightside magnetosphere into a long tail. Source: Internet
It returned one swath of pictures and some radio occultation data which constituted the first detection of the nightside ionosphere on Mars. Source: Internet
Observations taken by the Mariner 10 spacecraft detected this low energy plasma in the magnetosphere of the planet's nightside. Source: Internet
It is one of the main reasons why I haven’t bought any of Simon R Green’s Nightside series even though I enjoy his other works. Source: Internet
Like Taylor, I'll be returning to the Nightside. Source: Internet