The distant sky of the sun, moon, and stars.
An expression of surprise, contempt, outrage, disgust, boredom, or frustration.
The state of moving in an orbit.
A collection of points related by the evolution function of a dynamical system.
A path for the ball on the outer edge of the playfield, usually connected so that the ball entering in one end will come out of the other.
The subset of elements of a set X to which a given element can be moved by members of a specified group of transformations that act on X.
A state of increased excitement, activity, or anger.
A sphere of influence; an area or extent of activity, interest, or control.
The path of an electron around an atomic nucleus.
One complete circuit round an orbited body.
The area around the eye of a bird or other animal.
The bony cavity in the skull of a vertebrate containing the eyeball.
To move in a circle.
To center (around).
To circle or revolve around another object or position.
To place an object (e.g. a satellite) into an orbit around a planet.
To move around the general vicinity of something.
To continue to follow and/or engage with someone via social media after breaking up with them.