ch_client = “clickmemost”; ch_width = 468; ch_height = 180; ch_type = “mpu”; ch_sid = “Chitika Premium”; ch_backfill = 1; The Growing Hazard of Artificial Space Debris ATI Courses instructor Tom Logsdon is a  world acclaimed expert in space science and technology.  He teaches the following ATI courses Understanding Space , Fundamentals of Orbital & Launch [...]