NASA NASA Missions International Space Station Lunar Missions Spacecraft Rocket Launch Space Missions Spacecraft Operations Rocket Launches Lunar Landers Spacecraft Technology SpaceX Moon Exploration Lunar Landing Mars Mission Space Debris Rocket Development Moon Landing Rocket Science ISS Missions Space Technology Commercial Space Travel Aerospace Technology Rocket Technology Satellite Launch Satellite Communications Russian Space Program Rocket Testing Space Launch Vehicles Moon Landers Space Events Sci-Fi Universe Planets International Space Agreements Interstellar Travel Solar Sail Technology Astronaut Assistance ESA Vatican Observatory ESA Missions Asteroids and Comets Missions Spacecraft Launch Spacecraft Development Space Station Operations Spacecraft Systems Lunar Discoveries Lunar Studies Observatories Lunar Exploration Astronauts Asteroids Telescopes Future Missions Moon Lander Lunar Landings Lunar Lander Space Agencies Propulsion Systems Space Stations Astronaut Experiences
India’s first ISRO-linked visitor to the ISS posts a clip that teaches orbit as constant free fall under near‑Earth gravity.