Word Network: solstice

An axis is an imaginary line about which a body rotates or is symmetrically arranged. In mathematics, it refers to a fixed reference line for the measurement of coordinates or the plotting of data on a graph.

An orbit is the curved path that a planet or object takes as it moves around a star or planet. It describes how things in space travel in a circle or oval shape around a larger body.

Not any of a group of people or things. It represents zero or a total lack of something that was mentioned or is being discussed.

The equinox is one of the two times each year when the day and night are about the same length. This happens in March and September when the sun is directly above the Earth's equator.