Stellar Cycles is a performance task - an assessment tool to determine student understanding of stellar evolution. Teacher guides and materials are available in powerpoint, PDF and HTML formats. An answer key is...

This site discusses hydrostatic balance, radiation pressure, and gravity and how these things affect the evolution of a star based on its mass. There are three sections that talk about the mass criteria, lifetime, and...

This National Aeronuatics and Space Administration-Goddard website presents the basic concepts of the supernova. Topics include the different types of supernova, the cause of the explosion, and what happens to the core...

This lesson, authored and curated by David Stern, covers the generation of the Sun's energy through nuclear fusion, as well as some ideas about the evolution of stars like the Sun and their ultimate collapse, leading in...