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What astronomical observation is most severely hampered by increasing levels of urban light pollution?

ASunspots

BPlanetary transit

CDeep-sky objects

DLunar phases

Answer:

C. Deep-sky objects

Read Explanation:

Definition: Deep-sky objects (DSOs) refer to celestial entities located outside our solar system, including nebulae, star clusters, and galaxies.


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  2. The "Aerosol Optical Depth (AOD)" data from ISRO's satellites is used to monitor air pollution levels over India 1 (SAFARY":
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    ആഗോളതാപനത്തിന് കാരണമാകുന്ന പ്രധാന വാതകം :