Spacewalking astronaut loses mirror, newest space junk

Spacewalking astronaut loses mirror, newest space junkA spacewalking astronaut added to the pieces of junk orbiting the Earth on Friday, losing a small mirror as soon as he stepped out of the International Space Station for battery work. Commander Chris Cassidy said the mirror floated away at about a foot per second. Mission Control said the mirror somehow became detached from Cassidy's spacesuit.