Earth's rotation line (4)
I believe the answer is:
axis
(Other definitions for axis that I've seen before include "Line from N. to S. Pole" , "Fixed reference line" , "On which a body spins" , "Imaginary dividing line" , "Bloc" .)
I believe the answer is:
axis
(Other definitions for axis that I've seen before include "Line from N. to S. Pole" , "Fixed reference line" , "On which a body spins" , "Imaginary dividing line" , "Bloc" .)