space junk

Discarded pieces of rockets and old satellites that circulate in earth's orbit. The original life span of a satellite is on average seven years; there are hundreds of inoperable satellites circling earth.

Historical perspective: NASA estimates that there are more than 100,000 pieces of man-made space debris orbiting Earth as reported in The Week in December 2013.

See also : e-waste  climate canary  plutoed  
NetLingo Classification: Online Jargon