Astronomers Use "Blind Stacking" to Uncover Invisible Space Junk Threatening Geosynchronous Orbit

Geostationary orbit (GEO) is arguably one of the most important orbital spaces we have. So it's critical that we keep it clear of debris that could destroy the valuable GPS, weather tracking, and communications satellites already in this orbit. Unfortunately, that is easier said than done; small pieces of debris at tha…