Them, the neutrinos would tell you about the conditions in the Sun's core as it Minutes to travel the distance from the Sun to the Earth. Of the Sun to the surface in only two seconds. Travel so fast and interact so rarely with matter, neutrinos pass from the core Neutrinos travel extremely fast-slightly less than the speed of light. Particle produced in nuclear reactions has a less tortuous path out of the core.Ī neutrino is a very low-massparticle that rarely They tell us about the conditions in the core as it was a million years ago. The photons now reaching the surface were produced about a million years ago, Rays have become photons of much lower energy-visible light photons. By the time photons reach the photosphere, the gamma In each collision they transfer some of theirĮnergy to the gas particles. Photons scatter off the dense gas particles in the interior and move about aĬentimeter between collisions. Reactions take about a million years to move from the core to the surface. When it collides with an electron, they annihilate each otherĬonverting all of their mass into energy. ![]() It has the same mass as an electron but the A positron is the antimatterĬounterpart of the electron. "positron" and the other is a "neutrino". ![]() As shown in the proton-protonįusion chain diagram above, there are two other particles produced. Helium is produced in the fusion of hydrogen. Select the photographs to display the original source in Video lecture for this page This material (including images) is copyrighted!. The Sun and Stellar Structure Neutrino Chapter index in this window
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