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The two rules for comparing telescopes

The two rules for comparing telescopes

Non-optical telescopes let astronomers study radiation beyond visible light, from long-wavelength radio waves to very short-wavelength X-rays. In exam questions, most comparisons reduce to two ideas: collecting power and resolving power.

Single dish radio telescopes, I-R, U-V and X-ray telescopes (A-level only) Lesson

  1. A Level
  2. /Physics
  3. /Single dish radio telescopes, I-R, U-V and X-ray telescopes (A-level only)

Step-by-step lessons on AQA A Level Physics Single dish radio telescopes, I-R, U-V and X-ray telescopes (A-level only). Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

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