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Space Debris in Low Earth Orbit
December 26 , 2025
14 hrs 0 min
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- Micrometeoroids and Orbital Debris (MMOD) are small natural and human-made objects moving around Earth at very high speeds.
- Micrometeoroids come from asteroids and comets, while orbital debris comes from broken satellites and rocket parts.
- Most orbital debris is found in Low Earth Orbit between 200 km and 2,000 km altitude.
- Even very small MMOD particles can damage satellites and spacecraft due to high speed.
- Collisions between debris can create more debris, called the Kessler Syndrome.
- MMOD poses a serious risk to astronauts, space stations, and future space missions.
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