What made Chernobyl explode?

Related questions

1. How far did radiation travel from Chernobyl?
2. Was Chernobyl evacuated?
3. How much did Fukushima cost?
4. Do animals still live in Chernobyl?
5. Why did Japan go to war?
6. Was the Chernobyl disaster preventable?
7. What lives in Chernobyl?
8. Why is Chernobyl worse than Hiroshima?
9. Does Chernobyl have mutants?
10. Is the elephant's foot still dangerous?

Tags

1. #power
2. #increase
3. #explosion
4. #occurred
5. #reactor
6. #neutron
7. #moderator
8. #large
9. #graphite
10. #materials
11. #radioactive
12. #released
13. #amounts
14. #accident
15. #start
16. #caused
17. #fourth
18. #exploding
19. #suffered