how hot is the centre of the sun?

Question: how hot is the centre of the sun?
- Keywords:
  centre,
  hot,
  sun
Asked by _amberley_ to Frank on 24 Mar 2015.
- Frank Longford answered on 24 Mar 2015:
  
  The solar core is around 15,700,000 degrees C. That’s hot enough to force 360,000,000,000,000,000,000,000,000,000,000,000,000 protons together per second to make helium nuclei releasing 38,000,000,000,000,000,000,000,000 joules of energy every second!
  
  In short, it’s pretty hot.