Planets spin on their own axis.

Meaning: Planets turn around and around, like a spinning top.

Choice of Words: Planets are celestial bodies that orbit the sun. Spin means to move around an axis or central point. Own refers to something belonging to a particular person or thing. Axis is an imaginary line through the center of a rotating object. Together, they describe the rotation of planets around their own centers.

Alternative Expressions

Planets rotate on their axis.

Meaning: This means the same as the first sentence. Planets are always turning around on their own imaginary lines that run through their centers.

Choice of Words: Rotate is another word for spin. It means to turn around and around on a central point. Axis is an imaginary line that runs through the center of a planet from the North Pole to the South Pole. So, when we say "Planets rotate on their axis," we mean that planets turn around and around on their own imaginary lines that run through their centers.

Planets turn on their axis.

Meaning: This means the same as the first two sentences. Planets are always turning around on their own imaginary lines that run through their centers.

Choice of Words: Turn is a simple verb that means to move around a central point. Axis is an imaginary line that runs through the center of a planet from the North Pole to the South Pole. So, when we say "Planets turn on their axis," we mean that planets move around and around on their own imaginary lines that run through their centers.

Related Expressions