Concept:A telescope is an optical instrument used to observe distant objects such as stars.Explanation:Stars are very far away, so they require an instrument that collects more light and magnifies distant images.A telescope uses lenses or mirrors to gather light from distant celestial bodies and bring them into clear view.Other options: prism binoculars are for near-distance viewing, a film projector projects images, and a microscope views tiny close objects.Answer:Telescope