Paging Dr. Firmament!  Dr. Firmament, please report to the ER! The information covered in this article is actually from 2014, but I just saw it today for the first time and wanted to pass it along to all of you. Scientists have discovered an “impenetrable barrier” 11,500 km above the Earth. For reference, the Moon … Continue reading Scientists Discover Impenetrable Barrier 11,500 km Above Earth