[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the energy in stars. Includes a few questions to check for understanding.

In this interactive activity from NOVA Online, learn about a type of exploding star a Type II supernova that is so large it has a mass 10 times greater than the mass of our Sun.

Almost all of the energy that drives the various systems (climate systems, ecosystems, hydrologic systems, etc.) found on the Earth originates from the sun. Solar energy is created at the core of the sun when hydrogen atoms are fused...

Provides a brief overview of the Sun, including a focus on solar eclipses, solar wind, and solar sailing.

Explore this unit to learn how the universe began. Through illustrations, videos, and classroom activities, gain an understanding of how stars help with the formation of elements.

Small stars can hang around for billions of years and slowly fade away, but large stars have a spectacular way to wave goodbye. When a large star collapses, it can start a new round of nuclear fusion that powers an explosion called a...