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Galaxy Redshift and Indian Contributions: A Challenge for Astronomy Experts

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Multiple Choice

What is the phenomenon known as galaxy redshift?

  1. The increase in the wavelength of light emitted by galaxies as they move away from us.
  2. The decrease in the wavelength of light emitted by galaxies as they move away from us.
  3. The change in the color of light emitted by galaxies as they move away from us.
  4. The change in the intensity of light emitted by galaxies as they move away from us.