Visble light and the solar system

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  • Visible Light And The Solar System
    • Light is refracted and reflected at surfaces and boundaries between materials.
    • Telescopes
      • Reflecting telescopes use a concave mirror. This gives a clearer image and allows bigger telescopes to be made.
    • The Universe
      • The model of the Universe changed from geocentric to heliocentric.
      • Observations of the Universe in the past used light but now other types of waves are used to gain more evidence.
    • Waves
      • Waves transfer energy not matter. They are described in terms of wavelength, frequency and amplitude.
        • Wave calculations Wavespeed= distance/time --------- Wavespeed= frequency * wavelength

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