Cycles of time：an extraordinary new view of the universe Cycles of time: an extraordinary new view of the universe Cycles of time: an extraordinary new view of the universe. Exploring the most extraordinary force in the universe / “发现”黑洞：进化的宇宙观：an evolutionary view of the universe 发现黑洞：进化的宇宙观：an evolutionary view of the universe Wonders of life :：Exploring the most extraordinary force in the universe /