GKZKPC

  Earth Science & Astronomy  Explore fascinating Earth Science and Astronomy GK questions and answers about our planet, the solar system, and the universe. Perfect for students, competitive exams, and GK lovers who want to expand their knowledge about space and Earth science. Practice questions 1-25 1. What is the Earth’s only natural satellite? – Moon 2. Which is the largest planet in our solar system? – Jupiter 3. What causes tides in the ocean? – Gravitational pull of Moon and Sun 4. The Earth revolves around the Sun in how many days? – 365 days (approx.) 5. Which is the hottest planet in the solar system? – Venus 6. Which planet is known as the "Red Planet"? – Mars 7. What is the closest star to Earth? – Sun 8. What is the shape of Earth? – Oblate Spheroid 9. What is the layer of gases surrounding Earth called? – Atmosphere 10. Which gas is most abundant in Earth’s atmosphere? – Nitrogen (~78%) 11. What is the Earth’s innermost layer called? – Inner Core 12. The instr...