what is the term for the imaginary line that the earth spins around

what is the term for the imaginary line that the earth spins around

what is the term for the imaginary line that the earth spins around. There are any references about what is the term for the imaginary line that the earth spins around in here. you can look below.

Showing posts matching the search for what is the term for the imaginary line that the earth spins around