Question

1. what is the main difference between orbital debris and space

Explanation:

Orbital debris (also called space junk) is man - made objects in orbit around Earth that no longer serve a useful purpose, like old satellites, rocket parts, etc. Space debris is a broader term that can include natural debris (like micrometeoroids) in space as well as man - made orbital debris. The main difference is the origin and scope: orbital debris is specifically man - made and in Earth's orbit, while space debris can be natural or man - made and exists throughout space (not just Earth's orbit).

Answer:

Orbital debris is man - made, in Earth's orbit, and no longer useful. Space debris is broader, including natural (e.g., micrometeoroids) and man - made debris throughout space (not just Earth's orbit). The main difference is origin (man - made vs. can be natural) and scope (Earth's orbit vs. all of space).