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Consider the following statements: Statement-I: Giant stars live much longer than dwarf stars. Statement-II: Compared to dwarf stars, giant stars have
Consider the following pairs: Objects in space — Description 1. Cepheids : Giant clouds of dust and gas in space 2. Nebulae : Stars which brighten and
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 c
The correct answer is option (d): Neither 1 nor 2. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2025, GS Paper 1, as Question 94. It falls under Science & Technology > Space Technology & Astronomy.
This question is rated "moderate". It requires sound conceptual understanding of the topic.
UPSC has asked 69 questions from Space Technology & Astronomy (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.