asteroid belt
the circumstellar disk (accumulation of matter) in an orbit around Sun between those of Mars and Jupiter
en-US/ˈæstɚˌɔɪd ˈbɛlt/
en-GB/ˈɑːstəˌɹɔɪd ˈbɛlt/
the circumstellar disk (accumulation of matter) in an orbit around Sun between those of Mars and Jupiter