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Meet the scientists across the world on the hunt for dark energy, an unknown form of energy which is hypothesized to permeate all of space and may be accelerating the expansion of the universe.
S1E2 • Space's Deepest Secrets • 2016 • Astronomy
For many years our place in the universe was the subject of theologians and philosophers, not scientists, but in 1960 one man changed all that. Dr Frank Drake was one of the leading lights in the new science of radio astronomy when he did something that was not only revolutionary, but could have cost him his career. Working at the National Radio Astronomy Observatory in Greenback in Virginia, he pointed one of their new 25-metre radio telescopes at a star called Tau Ceti twelve light years from earth, hoping for signs of extraterrestrial intelligence.
In this episode of Crash Course Astronomy, Phil takes you through the cause and name of the Moon's phases.
#4 • Crash Course Astronomy • Astronomy
How does light escape from the sun? We take a journey from the centre of the sun, following the path of light. We witness its fiery birth from in the core, its 430,000 mile battle against gravity and magnetism, and its escape from the solar surface.
S3E1 • How the Universe Works • 2014 • Astronomy
Discover how beauty and order in Earth's cosmic backyard was formed from nothing more than a chaotic cloud of gas. Chasing tornados in Oklahoma, Professor Brian Cox explains how the same physics that creates these spinning storms shaped the young solar system. Out of this celestial maelstrom emerged the jewel in the crown, Brian's second wonder - the magnificent rings of Saturn.
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An animated Odyssey about the Hubble Telescope produced by ESA/ESO and Gala Media. Amazing visuals of Hubble in orbit and its discoveries about the Universe accompanied by the breathtaking music of award winner composer Jennifer Athena Galatis.
2015 • Astronomy