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This Concept Map, created with IHMC CmapTools, has information related to: How Doppler Effect Relates to Astronomy, galaxies have stars, light shows red shift, Astronomy includes galaxies, light emits spectral lines, light is near, stars emit light, Doppler Effect relates to Astronomy, light is far, spectral lines is what shows shifts in Doppler Effect, far then frequency decreases, red shift implies galaxies, galaxies move away from Earth, near then frequency increases