Above our heads, 21,000 pieces of man-made junk uncomfortably share the orbit around our planet with satellites, space craft and space platforms. These chunks of orbital debris threaten to collide with all that equipment, potentially bringing down communications, scientific, and military satellites. But if the Air Force has its way, its Space Fence system will track the thousands of pieces of debris and give data to scientists to help them avoid collisions.
This is a companion discussion topic for the original entry at https://talkingpointsmemo.com/?p=115509