Structure of the Sun Astrophysics Stellar Interiors Structure of the Sun Questions What is the sun's atmosphere? What is the sun's atmosphere called? How does the sun atmosphere differ from its interior? How does the sun's atmosphere affect the planets? What is the sun's interior composed of? Which part of the Sun is hotter: interior or exterior? In what part of the sun's interior do nuclear reactions occur? How do astronomers study the sun's interior? How do we know about the sun interior? What are the sun's interior layers? What composition of the Sun, its relationship to other stars, and some effects of its radiation on Earth's weather? What are sunspots? What part of the sun are they located on? How are the Sun’s magnetic field and its activity cycle related? How big is the sun's magnetic field? How and why does the sun's magnetic field flip? How big is the sun's heliosphere? What is the sun's heliosphere? Where is the heliosphere located on a star? How is molecular data being used to study gasses present in the sun? Why doesn't the sun have solids or liquids? How does the arrangement of the particles in a liquid compare to that of a gas? What is the middle layer of the sun's atmosphere? Is it true that stars the size of the sun will never have a core hot enough to fuse carbon? Approximately how long does it take the photons released in nuclear reactions in the core of the sun to exit the sun? Stellar Interiors View all chapters Equations of Stellar Structure Energy Transport in Stars Polytropic Models Structure of the Sun Variable Stars and Asteroseismology Prev Next