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- Space debris is artificial material that is orbiting Earth but is no longer functional1. It can range in size from large objects like discarded rocket stages and derelict satellites, to small fragments from their disintegration, erosion and collisions12. Space debris poses a threat to operational spacecraft and the safety of astronauts2.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.
Space debris, also called space junk, artificial material that is orbiting Earth but is no longer functional. This material can be as large as a discarded rocket stage or as small as a microscopic chip of paint.
www.britannica.com/technology/space-debrisExamples of space debris include derelict satellites and spent rocket stages as well as the fragments from their disintegration, erosion and collisions, such as paint flecks, solidified liquids from spacecraft breakups, and unburned particles from solid rocket motors.
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