Question #4ffe3
1 Answer
Jan 25, 2018
Sun is star in the main sequence.
Explanation:
Main sequence star fusion reaction take place and hydrogen is being converted into Helium..AS the pull of gravity is equal to the outward ward radiation force the star is in equilibrium.
In red giant at the end of life most of the fuel is finished and mass is reduced.So gravity is reduced allowing the force form center is pushing out the gases.So volume increases and temperature
reduces at surface.
pictuire sinf siro au,.
