The Universe S09E04 · Alien Worlds

Overview

The ancients believed that the universe consisted of countless worlds we could not see, and argued endlessly over the nature of these distant, invisible planets and whether they might be inhabited. Until recently many scientists thought we would never discover the truth, believing that extra-solar planets were simply too far, too small and too dim to detect. But new technologies have suddenly revealed thousands of distant planets, opening up the most exciting period in astronomy in decades. Some believe we're on the verge of answering the ancient question: are we alone in the universe?

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Episodes

1. 1 1. Omens of Doom2015-04-18 · 45mTo our ancestors, the appearance of certain astronomical events meant something big and something bad was coming. They were portends of death, plague, famine, or war. But what were
2. 2 2. The Eye of God2015-04-25 · 45mCould the strange shapes of the universe solve the mysteries that have haunted mankind since ancient times? Is the eye of God peering at us from the heavens? What is the strange he
3. 3 3. Apocalyptic Visions2015-05-02 · 45mHell fires, endless winters, or a planet wracked by earthquakes are a few versions of Armageddon visualized by the Vikings, Aztecs, and the rest of our ancient ancestors. But which
4. 4 4. Alien Worlds2015-05-09 · 45mThe ancients believed that the universe consisted of countless worlds we could not see, and argued endlessly over the nature of these distant, invisible planets and whether they mi
5. 5 5. Predicting the Future · 45mMany believe that the celestial movement of the Sun, planets and moon gives us the blueprint for life, and governs our future. From Roman emperors, to kings and queens, to modern p
6. 6 6. Roman Engineering2015-05-23 · 45mDo Rome's ancient monuments have secret connections to the Sun? New archaeological evidence, confirmed by NASA data and recreated in state-of-the-art virtual reality, suggests that