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apparent motion
The meridian :)
That would be the axis.
Earth
If you can't see through an object clearly it is an opaque object.
The line is called an axis.
apparent motion
[object Object]
imaginary, pretend
That imaginary line is called as "ORBIT".. Each space object spins around itself, in a particular path called as "ORBIT"
rotation
the props
That's called an orbit.That's called an orbit.That's called an orbit.That's called an orbit.
A diameter is a line going through the middle of an object. They should be equally parted when you are finished.
An imaginary line around which an object rotates.
an axis
I believe you are referring to an axis.