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GK QUESTION#1622

Which type of astronomical observation is most affected by the rise of urban light pollution?

  1. ASunspots
  2. BDeep-sky objectsCorrect answer
  3. CLunar phases
  4. DPlanetary transit
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Answer

B. Deep-sky objects

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Explanation

Urban light pollution most severely affects deep-sky objects such as galaxies, nebulae, and star clusters because their faint light is easily overwhelmed by artificial lighting, unlike brighter objects like the Moon or planets.

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