1. What celestial object is at the center of our solar system?
- Solution: The Sun is at the center of our solar system.
2. What is a black hole?
- Solution: A black hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape it.
3. What is a light-year?
- Solution: A light-year is a unit of distance that represents the distance light travels in one year, approximately 9.46 trillion kilometers.
4. What is the closest planet to the Sun?
- Solution: The closest planet to the Sun is Mercury.
5. What is the largest planet in our solar system?
- Solution: The largest planet in our solar system is Jupiter.
6. What is the name of the first artificial satellite launched into space?
- Solution: The first artificial satellite launched into space was Sputnik 1.
7. What is the name of the first man to walk on the Moon?
- Solution: The first man to walk on the Moon was Neil Armstrong.
8. What is the name of the galaxy that contains our Solar System?
- Solution: Our Solar System is located in the Milky Way galaxy.
9. What is the name of the largest moon of Saturn?
- Solution: The largest moon of Saturn is Titan.
10. What is the smallest planet in our solar system?
- Solution: The smallest planet in our solar system is Mercury.
11. Which is the hottest planet in our solar system?
- Solution: The hottest planet in our solar system is Venus, due to its thick atmosphere trapping heat.
12. Which planet has the most extensive ring system?
- Solution: Saturn is famous for having the most extensive and complex ring system.
13. Which planet has the most moons?
- Solution: Jupiter has the most moons of any planet in our solar system.
14. Which planet is known as the Earth’s twin?
- Solution: Venus is known as Earth’s twin due to its similar size, mass, and proximity to the Sun.
15. Which planet is known as the Red Planet?
- Solution: Mars is known as the Red Planet due to its reddish appearance.
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