AQA A-Level Physics key terms
Telescopes Key Terms
Study Telescopes with curriculum-aligned Key Terms resources, practice links, and exam-focused support.
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key terms
Resource type
Topic
Telescopes
AqaA LevelPhysicsAstrophysics
Key terms
Aperture
The diameter of a telescope's main lens or mirror, which determines its light-gathering ability and resolution.
Observational Quality
The clarity and detail of images produced by a telescope, influenced by factors such as aperture size and atmospheric conditions.
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