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[PBS] 卡尔·萨根的宇宙 全13集 Cosmos A Personal Voyage_哔哩哔哩_bilibili

E01 The Shores of the Cosmic Ocean(宇宙汪洋之滨)

We wish to pursue the truth, no matter where it leads. But to find truth, we need imagination and skepticism both. We will not be afraid to speculate. But we will be careful to distinguish speculation from fact.

银河在上

This library was a citadel of human consciousness, a beacon on our journey to the stars. It was the first true research institute in the history of the world. And what did they study? They studied everything. The entire cosmos. “Cosmos” is a Greek word for the order of the universe. In a way, it’s the opposite of chaos. It implies a deep interconnectedness of all things. The intricate and subtle way that the universe is put together.

2000 年前的亚历山大图书馆(the Library of Alexandria)

E02 One Voice in the Cosmic Fugue(宇宙奏鸣曲)

Those are some of the things that molecules do, given 4 billion years of evolution. We sometimes represent evolution as the ever-branching ramifications of some original trunk, each branch pruned and clipped by natural selection. Every plant and animal alive today has a history as ancient and illustrious as ours. Humans stand on one branch. But now we affect the future of every branch of this 4-billion-year-old tree.