Assertion: transformation | /r/HasProperty | useful
Facets:
value: in stellar aberration
type: OTHER
value: for a number of reasons
type: CAUSE
Source sentences:
text: These transformations on differences rather than spatial points or instants of time are useful for a number of reasons:
text: The transformation of velocity is useful in stellar aberration, the Fizeau experiment, and the relativistic Doppler effect.