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PRERNA FOR IAS
SPACE DEBRIS
1. Space Debris
Space debris, also known as space junk or orbital debris, refers to artificial objects in space that no longer serve any useful purpose but continue to orbit Earth. These objects include inactive satellites, discarded rocket stages, fragments from collisions, and equipment lost during missions. Space debris travels at extremely high speeds, making even small pieces dangerous. As space activities increase, the amount of debris also grows, creating challenges for satellite operations and future space exploration. Scientists and space agencies continuously monitor debris to reduce collision risks and protect valuable spacecraft, astronauts, and communication systems that modern society depends upon.
2. Defunct Satellites
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Understand space debris types—defunct satellites, rocket parts, collision fragments. Learn about orbital zones (LEO, MEO, GEO) and collision risks in Earth orbit.
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