It appears the physics concept of absolute rotation - does rotation exist absent other bodies to rotate relative to - is controversial and debated.
https://en.wikipedia.org/wiki/Absolute_rotation
It can be measured by people on the surface of a rotating body like Earth - but there are other forces at work like gravity that cloud the picture.
https://en.wikipedia.org/wiki/Absolute_rotation
It can be measured by people on the surface of a rotating body like Earth - but there are other forces at work like gravity that cloud the picture.
s t e p h e r s
Note