In the last hundred years, modern physics and cosmology have shown
that there exist regions of the universe forever beyond our reach,
hidden by truly ultimate horizons. Such regions exist in those
remote parts of the universe where, from our point of view, space
expands faster than the speed of light. They are found in black
holes, where the gravity is strong enough to retain even light
within its field of attraction. And in the realm of the very... more...