Space Junk Introduction
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Space Junk Introduction
Spot the space junk
Use the mission briefing: space junk is human-made material left in orbit. Natural objects are not space junk.
- A working satellite sending weather information
- An inactive satellite still circling Earth
- The Moon
- A meteor travelling through space
- A used rocket stage
- A broken piece of an old satellite
- A natural asteroid
- A tiny fragment from a spacecraft collision
Follow the evidence
A satellite is a human-made object sent into space. Orbit is the path an object follows around another object, such as Earth. Debris means scattered pieces or remains.
- Old satellite
- Rocket stage
- Small fragment
- Broke off when objects collided
- Stopped working but remained in orbit
- Was left behind after carrying a spacecraft upwards
Keep space useful
Satellites help people on Earth with services such as communications, weather observations and navigation. Debris can damage working spacecraft and create risks for astronauts.
- Leave used rocket stages wherever they end up
- Design missions to avoid creating debris and safely remove or dispose of spacecraft at the end of their use
- Send more objects into orbit without tracking them
- Break old satellites into smaller pieces
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