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GCSE Astronomy Topic 16 Practice Questions
  • Exam (elaborations)

    GCSE Astronomy Topic 16 Practice Questions

  • A change in wavelength due to relative motion between observer and source - ANSWERSWhat is the Doppler Principle? A longer wavelength - ANSWERSIf an object is moving away what is its wavelength? Using the shift of the absorption lines - ANSWERSHow can we calculate the radial velocity? The object is moving faster - ANSWERSOn the visible spectrum if the lines move more what does that mean? v= Ho d - ANSWERSWhat is hubbles law? 68 km/s/Mpc - ANSWERSWhat is hubbles constant? The di...
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