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UPSC Civil Service Prelims Paper I 2024 (General Studies)
Consider the following statements :Statement-1 : Giant stars live much longer than dwarf stars.Statement-2 : Compared to dwarf stars, giant stars have...
UPSC Civil Service Prelims Paper I 2023 (General Studies)
Which one of the following countries has its own Satellite Navigation System?
UPSC Civil Service Prelims Paper I 2022 (General Studies)
If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth ?
1. GPS and navigation systems ...
UPSC Civil Service Prelims Paper I 2021 (General Studies)
Which one of the following is a reason why astronomical distances are measured in light-years?