Scientists Say: Space junk

Scientists Say: Space junk

Space junk, (noun, “sp-ACE Junk”) Space junk, also called space debris, refers to trash left in space by humans. This trash includes objects as large as abandoned satellites and as small as flecks of paint. Humans have been generating space junk for as long as we have been exploring space. This junk includes discarded rocket boosters, old satellites and fragments left over when objects collide. In 2009, for example, two satellites crashed nearly…