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Learning path

Human Spaceflight

How humans travel, live, and work in space — from the first orbits to space stations, spacewalks, and the road back to the Moon. Built on real missions, stations, spacecraft, and astronauts.

Beginner
  1. 1.1What is human spaceflight?Stations, spacecraft, crews, and spacewalks as a knowledge graph.
  2. 1.2First humans in spaceYuri Gagarin and the first orbit of the Earth.
  3. 1.3Spacecraft for humansThe vehicles built to carry people.
  4. 1.4Space stationsFrom Salyut to the ISS and Tiangong.
Intermediate
  1. 2.1Living in orbitLife aboard the International Space Station.
  2. 2.2SpacewalksWorking outside the spacecraft.
  3. 2.3Docking and resupplyKeeping a station stocked and crewed.
  4. 2.4Space medicineHow the body adapts to weightlessness.
Advanced
  1. 3.1Scientific research in orbitWhat we learn from microgravity laboratories.
  2. 3.2Commercial crewCrew Dragon, Starliner, and a new era of access.
  3. 3.3Lunar human spaceflightApollo, Artemis, and the Lunar Gateway.
  4. 3.4Future human explorationStations and crews beyond low Earth orbit.

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History of Space Exploration →The Solar System →