Translation guide
The polar axis is a line through the poles of a sphere or spheroid, especially the Earth's axis of rotation. In Japanese, it is expressed with technical terms or descriptive phrases depending on context.
The imaginary line through the North and South Poles around which the Earth rotates.
Standard term for the Earth's axis of rotation. Used in geography, astronomy, and everyday contexts.
The line through the poles of any spherical or spheroidal object, such as a planet, moon, or model globe.
General term for the polar axis of any celestial body or spherical object.
In mathematics, the polar axis is the fixed line in a polar coordinate system from which the angle is measured.
The standard term in mathematics for the polar axis in polar coordinates.
The Earth's axis is tilted at about 23.4 degrees.
Literally 'polar axis'. More technical, often used in astronomy or when referring to the axis of any celestial body.
This telescope's polar axis is precisely aligned.
Mars' polar axis is also tilted like Earth's.
Means 'axis of rotation'. More general, can be used for any rotating object, not necessarily through poles.
The axis of rotation of this sphere is vertical.
In polar coordinates, the position of a point is expressed by the angle from the polar axis.