What keeps the Sun's outer layers from continuing to fall inward in a gravitational collapse?
A) neutrinos produced by nuclear fusion drag gas outward
B) the strong force between protons
C) electromagnetic repulsion between protons
D) outward pressure due to super-heated gas
Question 2
The ultimate fate of our Sun is to ________.
A) become a white dwarf that will slowly cool with time
B) become a rapidly spinning neutron star
C) become a black hole
D) explode in a supernova