Meridian
The imaginary line through Earth's poles is called the axis. It is an imaginary line that Earth rotates around.
An imaginary line which passes through the poles of the planet.
the Axis
An imaginary line that runs through the center of a planet and its poles is called its axis.Or possibly a diameter, in regards to the planet's dimensions.
International Date Line
The axis
The imaginary line that runs through Earth's North and South poles is called the axis or polar axis.
The imaginary line passing through the center of the Earth between the North and South Poles, around which the Earth rotates, is called the Earth's axis.
axis - An imaginary line that passes through earths center and its north and south poles.
The Prime Meridian does not divide the Earth, it is an imaginary line going straight through the center.
the Equator
the Equator