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In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris and there is an increasing problem of satellites mysteriously breaking down. With first-hand accounts from astronauts and experts, Horizon reveals the scale of the problem of space junk. Our planet is surrounded by hundreds of millions of pieces of junk moving at 17,000 miles per hour. Now the US government is investing a billion dollars to track them, and companies around the world are developing ways to clear up their mess - from robot arms to nets and harpoons. Horizon investigates the science behind the hit film Gravity and discovers the reality is far more worrying than the Hollywood fiction.
From giant burning gas spheres to icy orphaned worlds wandering in interstellar space, explore the strange planets that inhabit the vast spread of the universe.
S1E7 • How the Universe Works • 2010 • Astronomy
Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
11 • Crash Course Astronomy • Astronomy
Description of the two Voyager probes sent for interstellar travel. Tyson ends the series by emphasizing Sagan's message on the human condition in the vastness of the cosmos & to encourage viewers to continue to explore and discover the undiscovered.
S1E13 • Cosmos: A Spacetime Odyssey • Astronomy
Discovery shines a spotlight on the institution taking us to the moon and to the outer edge of our solar system. Above and Beyond celebrates NASA's many accomplishments and catapults viewers to where its headed in the future. Directed, produced, and narrated by Emmy®-winning Rory Kennedy, the film examines the ways NASA has changed our vision of the universe, our planet, and ourselves.
2018 • Astronomy
The Apollo space program embraces tragic setbacks and historic success; the last stage includes the Apollo 11 space flight which landed the first two people on the Moon.
2/2 • Apollo Back to the Moon • 2019 • Astronomy