Earth Observation Satellite Reentry Space Debris Weather Forecasting Radar Satellite Launch Infrastructure Project Kuiper Orbital Mechanics Communication Technology Anomalies Anomalies in Space Communication Satellites Low Earth Orbit Space Docking Launch Systems Low-Earth Orbit Satellites Reconnaissance Satellites Communication Systems Re-entry Procedures Deorbiting Satellites Re-entry into Earth's Atmosphere Space Debris Removal ERS-2 Debris Reentry Rocket Safety Systems Lunar Missions National Security European Space Agency Solar Sailing Imaging Satellites Radar Imaging Lunar Satellite Mission Solar Activity Radar Tracking Climate Change Satellite Burn-ups