General Knowledge
Would You Survive in Space? Quiz
Oxygen leaks, solar radiation, and micro-meteorites — could you handle life in space?
Oxygen leaks, solar radiation, and micro-meteorites — could you handle life in space?
The International Space Station orbits Earth at roughly 28,000 km/h while its crew breathes recycled air, drinks purified urine, and exercises two hours a day just to keep their bones from deteriorating. Space is one of the most hostile environments humans have ever entered, and surviving it requires a mix of physics knowledge, quick decision-making, and serious training. This quiz puts you through 50 real scenarios drawn from astronaut protocols, NASA emergency procedures, and the harsh realities of life beyond the atmosphere.
Each question presents a space survival scenario or asks about the science behind living in orbit, on the Moon, or on a mission to Mars. You will face questions about vacuum exposure, fire behavior in microgravity, spacesuit emergencies, radiation shielding, and the psychological toll of long-duration missions. Every answer includes a detailed explanation so you walk away knowing more than when you started.
You will discover what really happens to the human body in a vacuum (spoiler: you do not explode), how astronauts handle fires on the ISS, why exercise is non-negotiable in microgravity, and what emergency protocols keep crews alive when things go wrong. From Soyuz emergency landings to Mars mission planning, this quiz covers the full spectrum of space survival knowledge.
In microgravity, your body undergoes significant changes. Fluids shift toward your head causing a puffy face, bones lose about 1-2% of their density per month, muscles atrophy without resistance exercise, and your spine can lengthen by up to 5 cm. Astronauts combat these effects with two hours of daily exercise on the ISS.
Astronauts sleep in small crew quarters or sleeping bags tethered to the wall so they do not float around the station. They use eye masks because the ISS experiences 16 sunrises and sunsets every 24 hours. Most crew members are scheduled for about 8 hours of sleep per day.
Without a spacesuit, you would remain conscious for about 10-15 seconds before oxygen deprivation causes you to pass out. Contrary to Hollywood, you would not explode or instantly freeze. The main dangers are ebullism (body fluids boiling at low pressure), hypoxia, and extreme temperature swings. If rescued within about 90 seconds, survival is theoretically possible.
Last updated: March 2026