Space - Chapter II : The End Of Time.

Scientists know how the world will end. The Sun, like all stars, will run out of fuel and enter its red-giant phase. Its final burst of glory will expand and engulf the closest planets, leaving Earth a charred, lifeless rock. Our planet has around five billion years left. But the universe is much more than just out average sized planet, or our one in millions Galaxy. cosmologically speaking, how will the universe possibly end?