Relive some of the most unexpected accidents in spaceflight and meet the astronauts who had to fix them on the fly
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Get the inside story of NASA’s early victories and failures, through firsthand accounts and rarely seen mission footage
2020 • Astronomy
Discover what makes re-entry into our atmosphere so challenging and relive some of the most perilous returns to Earth
2020 • Astronomy
Relive some of the most unexpected accidents in spaceflight and meet the astronauts who had to fix them on the fly
2020 • Astronomy
See how little things like a stripped screw or a faulty toilet can become big emergencies when they happen in space.
2020 • Astronomy
Flying through bad weather can be a harrowing experience, and for NASA, it can be doubly unnerving, as violent storms can strike from below the atmosphere or above it. Witness the true power of nature in space and on Earth as astronauts and ground crews battle to overcome the elements, including a severe lightning strike that crippled Apollo 12's computer system, the freezing temps that compromised the Space Shuttle Challenger, and the tempest of space debris that sent a dead satellite on a collision course with the International Space Station.
2020 • Astronomy
There’s a reason rocket science is used as a benchmark for difficulty. See why as we examine great liftoff disasters.
2020 • Astronomy
Voyager 1 and 2 are truly the probes that just won’t quit. Launched almost 40 years ago these twin probes continue to stun the world. They've explored all the giant outer planets of our solar system, 48 of their moons, and are now leaving the solar system, on a journey into interstellar space.
S1E1 • Space Probes • 2016 • Astronomy
The final episode shows how the unique properties of light provide an insight into the origins and development of mankind and the Universe.
S1E4 • Wonders of the Universe • Astronomy
The dream of sending humans to Mars is closer than ever before. In fact, many scientists think that the first person to set foot on the Red Planet is alive today. But where should the first explorers visit when they get there? Horizon has gathered the world's leading experts on Mars and asked them where would they go if they got the chance - and what would they need to survive? Using incredible real images and data, Horizon brings these Martian landmarks to life - from vast plains to towering volcanoes, from deep valleys to hidden underground caverns. This film also shows where to land, where to live and even where to hunt for traces of extraterrestrial life.
New technologies are making rockets cheaper and more powerful than ever before. As companies like SpaceX and Virgin Galactic make space more accessible, and NASA returns to crewed spaceflight, a new era of space exploration may be on the horizon.
Suppose you placed a camera at a fixed position, took a picture of the sky at the same time every day for an entire year, and overlaid all of the photos on top of each other. What would the sun look like in that combined image? A stationary dot? A circular path? Neither. Oddly enough, it makes a ‘figure 8’ pattern, known as the Sun’s analemma.
Astronaut Mike Massimino investigates the possibility of a giant ninth planet at the edge of the solar system; using the latest technology, he reveals the incredible secrets of this mysterious world.
S1E5 • The Planets (US) • 2017 • Astronomy