space debris
CEFR: B2
Defunct human-made orbital objects, decommissioned satellite fragments, and rocket stage debris orbiting Earth at high velocity.
Synonyms
- orbital junk
- space wreckage
Common Collocations
- accumulate space debris
- threat of space debris
- track space debris
Example Sentence
The proliferation of microscopic space debris in low Earth orbit threatens active crewed space stations with hypervelocity impacts.