Star Birth - The life cycle of Stars Part of the curriculum for SCI350 - University of Phoenix

Introduction An average galaxy is thought to contain over a hundred billion stars. A hundred billion galaxies are thought to exist in the universe. That adds up to a lot of stars. Where do these stars come from? How do they form? Why are some stars brighter than others? How does the sun get and generate power? One of the great discoveries of modern science is that stars live only for a measurable amount of …

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