There could be no sort of phenomenon that could affect all stars at the same time!

Many other industrialised countries were affected at the same time.

How did that affect your sense of Egypt as your new home at the time?

"Violating or breaking such contracts will affect thousands of workers at the same time," he commented.

This, of course, did not affect me at the time!

Rarely, it may affect both eyes at the same time.

Scabies often affects several family members at the same time.

There are also types of vasculitis that may affect many organ systems at the same time.

Regrettably such disasters affect many countries at the same time.

This is a particularly important question which affects fundamental concepts while, at the same time, having numerous highly technical aspects.