Your My Hy-Vee account provides access to your history, allows you to print records, submit multiple prescriptions at once and more. Learn more. This healthy lifestyle program emphasizes eating for good health, weight loss and being physically active. Beginâ¢ is not a âdietâ- Beginâ¢ is a plan to help with lifelong wellness.
Given sufficient temperature and pressure, 4 hydrogen nuclei fuse to produce helium, at the same time giving off energy in the form of heat and light and other forms of radiation. This means that stars, with a few exceptions such as super-massive stars, last for many billions of years.
Inner Core. The Inner Core of the Sun is the main engine of this star. Here, gravity and heat provide the necessary energy to drive the nuclear fusion processes that power the sun. In the core, the fusion processes called the Proton-Proton Cycle and the Carbon-Nitrogen-Oxygen Cycle take place.