Stars are huge balls of gas mainly consist of _______ and ________?

Stars are huge balls of gas mainly consist of _______ and ________?

ستارے گیس کی بڑی گیندیں ہیں جو بنیادی طور پر ______ اور ________ پر مشتمل ہوتی ہیں؟
Explanation

Stars are massive, luminous balls of gas that are primarily composed of:

  • Hydrogen (about 70%)
  • Helium (about 28%)