Axis is tilted.
Meaning: This means that the Earth's axis is not straight up and down, but rather is tilted at an angle.
Choice of Words: Axis is an imaginary line that runs through the center of the Earth from the North Pole to the South Pole. Tilted means to be at an angle or not straight up and down. When you put them together, "Axis is tilted" means that the Earth's axis is not straight up and down, but rather is tilted at an angle.
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Related Expressions