Astronomy exam

Discuss about   Astronomy…………….

 

  1. B
  2. B
  3. B
  4. C
  5. C
  6. A
  7. A
  8. D
  9. C
  10. B
  11. C
  12. D
  13. A
  14. C
  15. C
  16. A
  17. A
  18. D
  19. A
  20. B
  21. C
  22. B
  23. A
  24. B
  25. B

 

Part two

 

 1. Spica

2. Regulus

3. Canopus

4. Deneb

5. Saiph

6. Regulus

 

Part three
1. A black hole is formed from massive objects which collapse due to their own gravity.
stellar mass is formed after the collapse of a black hole gravitationally. Their mass is considered to be a number of tens of sola masses
2. Event horizon is a border beyond which things that happen there don’t affect an observer from outside. Singularity is a space-time region which has a curve that later becomes infinite
3. Will melt

 

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