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Beyond A Year in Space picks up where A Year in Space left off: Scott Kelly’s last day in space and return to Earth. The special also introduces viewers to the next generation of astronauts training to leave Earth’s orbit and travel into deep space.
2017 • 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
For years, scientists suspected that the oceans came from molecules delivered to Earth from distant stars by asteroids, but a new discovery suggests that their true origins may be more exotic.
S4E7 • How the Universe Works • 2015 • Astronomy
Dark matter is the biggest mystery of the cosmos. Scientists know that it has been vital to the universe since its birth, and new discoveries reveal that it could create black holes, cause mass extinctions, and might even shape life on Earth itself.
S5E8 • How the Universe Works • 2017 • Astronomy
Now that gravitational waves are definitely a thing, it’s time to think about some of the crazy things we can figure out with them. In some cases we’re going to need a gravitational wave observatory - in fact, we've already built one.
PBS Space Time • 2018 • Astronomy
Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?"
#1 • Crash Course Astronomy • Astronomy