Earth science and astronomy related GK questions and answers
Earth Science & Astronomy 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 instrument used to measure earthquakes is called? – Seismograph 13. Which is the longest river in the world? – Nile River 14. Which is the largest ocean on Earth? – Pacific Ocean 15. Which is the highest mountain peak on Earth? – Mount Everest 16. What ...