What are the CME explosions you study made from?

Question: What are the CME explosions you study made from?
- Keywords:
  experiment,
  explosion,
  study
Asked by anon-219490 to Emma on 11 Jun 2019.
- Emma Davies answered on 11 Jun 2019:
  
  They’re made from very hot particles from the Sun which are mostly hydrogen and helium, but contain other elements such as oxygen too. Because they’re so hot they form a plasma – this is a state of matter that is similar to gas, but the particles are charged rather than neutral!

Question: What are the CME explosions you study made from?