Solar System, Earth's Motions, Time & Magnetosphere

What should you study in Solar System, Earth's Motions, Time & Magnetosphere?

• Solar system — planets, asteroids, comets
• Earth's motions — rotation & revolution effects
• Standard time, time zones & International Date Line
• Eclipses — solar & lunar

How often is Solar System, Earth's Motions, Time & Magnetosphere asked in UPSC Prelims?

Asked in 2 of 10 years, including 0 of the last 5. Highlighted years below are the ones it appeared in.

1. 2016: asked
2. 2017: not asked
3. 2018: not asked
4. 2019: asked
5. 2020: not asked
6. 2021: not asked
7. 2022: not asked
8. 2023: not asked
9. 2024: not asked
10. 2025: not asked

About the Prelims GS Paper I paper

General Studies Paper I is the Prelims paper that decides the cut-off: 100 multiple-choice questions for 200 marks, with negative marking for wrong answers. See all 88 Prelims GS Paper I topics.

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