1. WE CANNOT see what lies beyond the visible horizon of our universe, simply because light emitted beyond that horizon has not had time to reach us.

2. With the cactus and the petrified tree Crouch numbed by a wind howling all Visible horizons equally empty.

3. There is no obvious reason why the clusters should be moving at such breakneck speeds, unless they are experiencing an unusually strong pull from something beyond the visible horizon.

4. As night falls, the more wrapped in the more strict slowly flooded immediately visible horizon.

5. New type of sensing process provides stable positional monitoring, completely independently of the visible horizon.