EVA maintenance planning ensures astronaut safety during spacewalks by combining advanced tools, strict protocols, and exhaustive simulations. Learn how NASA plans every spacewalk to handle extreme risks in orbit and beyond.
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Spacecraft humidity control keeps astronauts safe by preventing condensation, protecting electronics, and recycling sweat into drinking water. Learn how NASA and private companies are making life support systems smarter and more efficient.
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Russian language training is mandatory for all non-Russian astronauts heading to the ISS. Learn why survival, not just communication, depends on mastering technical Russian for emergencies, docking, and life support systems.
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The ISS relies on a global network of ground stations and satellites to stay connected. From NASA's TDRSS to amateur radio contacts, learn how space communication keeps astronauts safe and science moving.
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Curiosity and Perseverance are NASA's most advanced Mars rovers, each with distinct missions. Curiosity proved Mars once had habitable conditions. Perseverance now searches for signs of ancient life and collects samples for return to Earth.
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Microgravity changes how materials form-crystals grow purer, metals solidify more evenly, and fibers lose less signal. Discover how space manufacturing is creating breakthroughs in semiconductors, medicine, and optical fibers-with real results from the ISS.
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Grazing incidence optics enable X-ray space telescopes to focus high-energy radiation by reflecting it at shallow angles. This technology powers missions like Chandra and the upcoming ATHENA telescope, revealing black holes and galaxy clusters invisible to optical telescopes.
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Water recovery systems on the ISS recycle urine, sweat, and humidity into clean drinking water at 98% efficiency-critical for future Mars missions. Learn how the technology works and what’s coming next.
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Starship's belly flop maneuver is a revolutionary reentry technique that uses horizontal drag to slow down before flipping upright for landing. It saves fuel, enables Mars missions, and redefines how rockets return from orbit.
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Learn how space systems are designed to survive solar storms, from radiation-hardened satellites to real-time forecasting systems. Understand the real risks to GPS, power grids, and communications-and how we're building resilience before the next major event.
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The radial velocity method detects exoplanets by measuring tiny wobbles in a star’s motion caused by orbiting planets. It’s how we found Proxima Centauri b and confirmed the TRAPPIST-1 system - and it’s still essential for measuring planetary mass.
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Real-time structural health monitoring uses advanced sensors to detect cracks, leaks, and strain in space stations and critical infrastructure. Learn how piezo, fiber optic, and vibrating wire sensors work, and why they're replacing manual inspections.
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