Which of the following is responsible for heating the bulk of the bubbles of very hot intercloud gas?
A) high-energy radiation from stars
B) supernovae
C) young O and B stars
D) planetary nebulae
E) The heating is an even mix of all of these sources.

Question

Quizplus · Accepted Answer

Supernovae are responsible for heating the bulk of the bubbles of very hot intercloud gas, as they release a tremendous amount of energy and heat into the surrounding space when they explode.

Which of the Following Is Responsible for Heating the Bulk