Question

How is heat generate in the sun ?

Answer 1

nuclear fusion reactions of hydrogen are the source of sun's energy. please note that just like sun, other star also obtain their energy from the nuclear fusion reactions of hydrogen

Answer 2

Hey mate here is your answer...

the core of the sun is so hot and there is so much pressure Nuclear Fission takes less hydrogen is changed to valium nuclear fission creates heat and photos the sun's surface is about 6000in whi10,340 degree Fahrenheit.

this is your answer........

hope it's help for you...

:-)