University Catalog. Academic Majors. The university confers bachelor's degrees for completion of academic disciplines established by the faculties of the colleges of Agriculture and Natural Resources, Arts and Sciences, Business, Education, Engineering and Applied Science, and Health Sciences.
1 When a star exhausts the hydrogen in its core, it becomes a giant or supergiant. 2  sun become hot enough to fuse helium into carbon. 3  sun become hot enough to fuse carbon into heavier elements.
In general, the larger a star, the shorter its life, although all but the most massive stars live for billions of years. When a star has fused all the hydrogen in its core, nuclear reactions cease. Deprived of the energy production needed to support it, the core begins to collapse into itself and becomes much hotter.