Question

In astronomy, what is the difference between rotation and revolution?

Answer 1

In astronomical parlance, period of revolution is the period for going around completely once through `360^o`. It is implicit that the period is for one complete rotation.

Explanation:

In my opinion, ' complete rotation/revolution' is implicit in 'revolution'. I do not want to emphasize on this as a rule. At the same time, I think, this is a good convention for making the difference between rotation and revolution..