Space junk refers to defunct human-made objects in space such as nonfunctional satellites, spent rocket stages, and fragmentation debris. There are over 1 million pieces of space junk orbiting Earth above 2000 km, ranging in size from 1 cm to 10 cm. These objects travel at speeds up to 28,000 km/h, posing a collision threat to operational satellites and spacecraft.

1. SPACE JUNKS

2. https://www.youtube.com/watch?v=jr11F0uVWdg

3. https://www.youtube.com/watch?v=O64KM4GuRPk
http://stuffin.space/
WHAT IS SPACE JUNK?

4. Above 2000 km
10 cm
1cm-10 cm
1,000,000
objects
1 cm
28,000 km
8 km

11. https://www.youtube.com/watch?v=7CEH9V9psKY