nightside
/ˈnaɪtˌsaɪd/
noun
- The side of a planet or moon that faces away from the sun and is in darkness.
- The nightside of the moon is not visible from Earth.
- The spacecraft captured images of the planet's nightside.
- Temperatures on the nightside of Mercury can drop to -180°C.
- The dark or hidden aspect of something, especially a person's character or a situation.
- The novel explores the nightside of human nature.
- He was fascinated by the nightside of the city's history.
- Her dreams often revealed the nightside of her personality.