Quiz on Blackholes

1. The reason, we call an astronomical body a black hole is that

2. What do we call the center of a black hole?

3. The boundary around a black hole where nothing can escape its gravity is called?

4. Which astronomer coined the word “black hole”?

5. Which black hole is  closest  to Earth?

6. The first black hole ever discovered was

7. The sun will never turn into a black hole.

8. Every large galaxy contains a supermassive black hole at its center    True / false

9. The largest black holes are called  …

10. Which supermassive blackhole lies at the heart of the Milky Way  galaxy?

1. Which force is primarily responsible for the formation and behaviour of black holes?

2. Which of the following is NOT a type of black hole?

3. Which space telescope helped to identify and study black holes in various galaxies?

4. What happens to time near a black hole’s event horizon?

5. Because no light can get out, people can’t see black holes.

6. Which of the following is responsible for the formation of a black hole?

7. The sun is not a big enough star to turn into a black hole.

8. What is the largest known black hole classification?

9. What is the Schwarzschild radius of a black hole?

10. What is the “event horizon” of a black hole?