For decades some have suspected that there might be others out there, intelligent beings capable of communicating with us, even visiting our world. It might sound like science fiction, but today scientists from across the globe are scouring the universe for signals from extraterrestrials. Horizon obtained exclusive access to film researchers at the Green Bank Telescope searching for radio signals from Tabby's Star, a star so mysterious that some scientists believe it might be surrounded by a Dyson Sphere, a vast energy collector built by advanced aliens.
It is the ultimate in adventure travel, but it is not for the faint of heart. But the sights — from Jupiter’s churning red eye to Saturn’s glittering rings — are out of this world. The series takes viewers on a breath-taking journey through the planets in our Solar System. See stunning images of each planet including highly detailed images captured by today’s ultra high-tech telescopes. Advanced animation takes you up close and personal with these distant worlds, as we plunge through space to get a better look at the neighbours.
Category:Science Duration:45:49 Series: A Traveler Guide to the Planets
Commander Stephen Hawking pilots his space ship the SS Hawking on the journey of a lifetime, zooming from black holes to the Big Bang, Saturn to Santa Barbara. After all, why should astronauts have all the fun?
Category:Science Duration:26:39 Series: Stephen Hawking's Favorite Places
Earth may seem like the most hospitable planet in the solar system. But look again. Startling new discoveries reveal the blue planet has been plagued by more chaos and destruction than scientists once imagined. Stand on the Earth billions of years ago as a primitive planet called Theia slams into it. Shiver as our entire globe is frozen over like a gigantic snowball. Feel the heat as mammoth volcanoes scorch the landscape and darken the sky. From a cosmic gamma ray burst frying away the ozone layer to an Everest-size asteroid slamming into the ocean, we'll reveal new information about how these unparalleled events drove life to the brink of total extinction. Out of this continuous devastation, how has our planet--and life--got to where it is today? Are the worst days behind us--or lurking in the distant future?
Category:Nature Duration:43:40 Series: The Universe
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