▁to ▁Edward ▁T uf te ' s ▁book ▁En vision ing ▁Information , ▁space ▁de br is ▁includes ▁a ▁glo ve ▁lost ▁by ▁astr onaut ▁Ed ▁White ▁on ▁the ▁first ▁American ▁space - walk ▁( E VA ); ▁a ▁camera ▁lost ▁by ▁Michael ▁Collins ▁near ▁Gem ini ▁ 1 0 ; ▁a ▁thermal ▁blank et ▁lost ▁during ▁ST S - 8 8 ; ▁garbage ▁b ags ▁j ett ison ed ▁by ▁Soviet ▁cos mon aut s ▁during ▁Mir ' s ▁ 1 5 - year ▁life , ▁a ▁w rench ▁and ▁a ▁to oth br ush . ▁Sun ita ▁Williams ▁of ▁ST S - 1 1 6 ▁lost ▁a ▁camera ▁during ▁an ▁E VA . ▁During ▁an ▁ST S - 1 2 0 ▁E VA ▁to ▁rein force ▁a ▁torn ▁solar ▁panel , ▁a ▁pair ▁of ▁p liers ▁was ▁lost , ▁and ▁in ▁an ▁ST S - 1 2 6 ▁E VA , ▁He ide mar ie ▁Stef any sh yn - Pi per ▁lost ▁a ▁brief case - s ized ▁tool ▁bag . ▁ ▁Bo ost ers ▁▁ ▁In ▁character izing ▁the ▁problem ▁of ▁space ▁de br is , ▁it ▁was ▁learned ▁that ▁much ▁de br is ▁was ▁due ▁to ▁ro cket ▁upper ▁stages ▁( e . g . ▁the ▁In ert ial ▁Upper ▁Stage ) ▁which ▁end ▁up ▁in ▁orbit , ▁and ▁break ▁up ▁due ▁to ▁decomposition ▁of ▁un vent ed ▁un burn ed ▁fuel . ▁However , ▁a ▁major ▁known ▁impact ▁event ▁involved ▁an ▁( int act ) ▁Ari ane