MMSA Earth-Space Science
Huge spheres of glowing gas Composed primarily of hydrogen Produce energy by nuclear fusion. Atomic nuclei join together in the star’s core What happens when two H atoms fuse? Release of a large amount of energy Same process which powers the H-Bomb
Medium and smaller stars produce Helium Larger (more massive) stars produce heavier elements
Color Temperature Size Composition Brightness
Distance: Parallax Chemical composition: spectroscopy Mass: Gravitational effects (Solar Mass = kg)