Spaceflight

5 cards. Each one is a 40-second story with a five-minute read behind it.

1. The ambitious trajectory of humanity's journey into the cosmosThis video traces the evolution of human spaceflight, beginning with the first human in orbit and looking toward the ultimate goal of interstellar travel. It provides the necessar…
2. How NASA is turning space waste into a closed-loop lifebloodTo reach deep space, astronauts cannot rely on constant resupply missions from Earth. They must live off what they bring—and what they produce. By mastering the art of recycling e…
3. Why rocket launches create spectacular, multi-colored light shows in the night skyWhen a rocket pierces the atmosphere at twilight, it can leave behind a glowing, prismatic trail. This isn't a malfunction or an alien craft; it is a physics phenomenon where high…
4. How to change your orbit without using a single drop of fuelSpacecraft usually rely on heavy, expensive propellant to shift their paths. But a technique called aerobraking uses a different engine: the friction of a planet's atmosphere. By …
5. During the first Moon landing, the computer overloaded, and its design saved the mission.Minutes before Apollo 11 touched down, the Apollo Guidance Computer flashed alarms 1202 and 1201: it had more work than time. Instead of crashing, it restarted, dropped its least …

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