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Professor Brian Cox explores the powerhouse of them all, the sun. In India he witnesses a total solar eclipse and in Norway, he watches the battle between the sun's wind and Earth, as the night sky glows with the northern lights. Beyond earth, the solar wind continues, creating dazzling aurora on other planets.
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Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moons become tidally locked? What would happen if you were 300km tall? Important questions.
#8 • Crash Course Astronomy • Astronomy
Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface.
13 • Crash Course Astronomy • Astronomy
After the destruction of Shuttle Challenger, the US considered grounding its fleet for good. That is until the stunning discovery that the Soviets had built their own fleet using plans stolen from NASA.
2/2 • Secrets of the Space Shuttle • 2018 • Astronomy
In July 1969, history was made as 600 million people watched Neil Armstrong's giant leap for mankind on the surface of the moon. But behind these iconic images is an untold story. Now, 50 years later, Discovery and Science Channel celebrate the Apollo 11 moon landing with a two-hour television event, APOLLO: THE FORGOTTEN FILMS, that tells the complete story of this most audacious of missions. Featuring forgotten and never-before-seen footage from events surrounding the landmark mission, the documentary by Duncan Copp traces the decade's worth of effort involving half a million scientists that was required to enable that "one giant leap for mankind". The archives reveal the incredible lengths an army of engineers, scientists and astronauts went to, to achieve America's greatest technological feat.
2019 • Astronomy
Our solar system hides a dark and violent past, and new discoveries reveal that the earth and planets were formed from the destruction of strange alien worlds that came before us.
S6E3 • How the Universe Works • 2018 • Astronomy