On average getting nearer the surface with each short trip. The loops carry hotter atoms near the core up towards the surface. Hence the energy created in the core moves to the surface. At this point energy flows away from the sun into space by radiation. Section 11.3 Probing the Sun's Core Neutrinos Neutrinos are produced in huge numbers by the sun.
Neutrinos interact only very weakly with matter.
So neutrinos produced in the core of the sun can fly right out of the sun into space. The number of neutrinos produced is mind-boggling. And you never even notice. Neutrinos provide us with a view of what is going on in the core of the sun. Scientists have measured the flux of neutrinos coming out of the sun.