5: Telescope and Observing Last updated Save as PDF Page ID 64055 Lumen Learning Lumen Learning 5.1: Module Introduction 5.2: The Telescope 5.3: Early Telescopes 5.4: Telescopic Observations 5.5: Telescope Optical Types 5.6: Telescope Mounts 5.7: Images from the Telescope 5.8: Space-Based Telescopes 5.9: Light Pollution 5.10: Space-based Telescope 5.11: Hubble Space Telescope