The earth ’s orbit is a elephantine barren filled with space debris – about 20,000 pieces of debris that are four inches or large . This space rubble does n’t always detain in space ; sometimes it fall back to earth .
One large composition of junk is the 6.5 - ton Upper Atmosphere Research Satellite ( UARS ) . The UARS was deployed as part of a Space Shuttle foreign mission to valuate atmospherical levels of ozone and other chemicals . The artificial satellite is 15 - foot in diameter and outfit with ten scientific instruments . It was in service from 1991 to 2005 and has float aimlessly ever since .
In the upcoming month , the satellite will commence its origin back to ground . Though most of the structure will combust up during re - entry , some piece may ruin through and fall to the world . justly now , NASA has no idea where these pieces will land . They could hit in the ocean or in a major metropolitan area .
Before you pull a chicken trivial , NASA point out that the peril of injury from falling place rubble is little . In over sixty years of quad flight , there are no reports of injury or significant holding damage from fall space junk . [ NASAviaDiscovery News ] .
NASA
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