See how little things like a stripped screw or a faulty toilet can become big emergencies when they happen in space.
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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
Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge swarm of neutrinos, blast through the star’s outer layers, causing it to explode. The resulting supernova creates even more heavy elements, scattering them through space. Also, happily, we’re in no danger from a nearby supernova.
31 • Crash Course Astronomy • 2015 • Astronomy
Artemis arrives on the exoplanet Minerva B, but have they found evidence of life?
S1E3 • Living Universe • 2018 • Astronomy
NASA may have just gotten one step closer to the answering the question: are we alone? The Spitzer Telescope has made a groundbreaking discovery of exoplanets that could be similar to our own. And as Kepler also continues its search, our understanding of the universe continues to be redefined.
4 • Science Breakthroughs • 2017 • Astronomy
In just half a century, the human population has doubled to 7.4 billion, and during that time, astronaut and satellite photos have been capturing the startling changes on our planet. See how humans have made their mark reshaping the planet in our quest for new sources of food, power, and shelter. From glimmering new megacities like Shenzhen, China to areas affected by climate change like Mt. Kilimanjaro and Florida, witness Earth's changing look--the spectacular and the shocking--from 250 miles up.
2017 • Astronomy
We strip apart the Sun and tear off boiling seas of plasma, light particles, and force fields layer by layer to explore the secrets that lie beneath the surface of Earth’s powerhouse.
S1E2 • Strip the Cosmos • 2014 • Astronomy
Professor Brian Cox journeys into a supermassive black hole - a monster that can destroy worlds and stop time, and which is forcing us to reassess our understanding of reality.
S1E4 • Universe BBC • 2021 • Astronomy