Star structure

Main sequence star	Red giant star
© Cosmic Perspective Fig 17.4

Evolution of a main sequence star to a red giant

© Cosmic Perspective Fig 17.3

Hoyle's nuclear resonance of ¹²C

Evolutionary HR diagram

Theory	M4 Globular Cluster
© Cosmic Perspective Fig 17.6

Evolution from main sequence to white dwarf

© Cosmic Perspective Fig 17.8

Evolution of the radius of the Sun

© Cosmic Perspective Fig 17.9

Supergiant

© Cosmic Perspective Fig 17.12

Evolution of massive stars

© Cosmic Perspective Fig 17.13

Iron has the least energy of all nuclei

© Cosmic Perspective Fig 17.14

Observed abundances of elements in the Milky Way

© Cosmic Perspective Fig 17.15