Then he looked back at the screen in front of him.

He was looking to one side, at the other screen.

He looked hard at the screen, and took his time.

They looked at the screen, and then the woman did something he could not quite see.

When he looked again at the screen, Earth was gone.

He looked again at the screen, then back to the girl.

When she looked again at the screen, there was more.

When he put down his cup and looked again at the screen, the picture had changed.

I took it from him and looked at the screen.

He looked at the screen for some time after it had gone dark.