The substance is followed by H2O
I'm not quite sure, but I believe that it would actually be "nuclear" because the sun would contain nuclear waves. And because of this, this would probably be the kind of reaction <span>the sun to release light and heat.</span>
Answer:
The outer shell of the new star will start to expand.
Explanation:
The new star will continue to glow for millions or even billions of years. As it glows, hydrogen is converted into helium in the core by nuclear fusion. The core starts to become unstable and it starts to contract. The outer shell of the star, which is still mostly hydrogen, starts to expand.
Explanation provided by:
StarChild: Stars - NASA
1 cf=7.48 gallons hope that helps