Chapters 14 and 15 Stellar Evolution and Stellar Remnants. Star Birth: Nebula. Young star: Protostar. Adult: Main Sequence .
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Star Birth: Nebula
Young star: Protostar
Adult: Main Sequence
The end states of stars depends upon its mass!
The more massive a star, the faster it consumes its fuel, the shorter its lifetime
A B C
Evolution of Low Mass Stars including our Sun M < 10 Solar Masses
Old Age: Red Giant
The core of the
white dwarf star is
now all carbon and
Yeah, but what about the really Massive stars?
Old Age: Red Supergiant
Elderly, dying star:Supernova
Our Sun will never explode.
Only massive stars explode
High mass stars becomes so dense that protons and electrons combine to become neutrons and star becomes neutron star
Life Cycle of a Low Mass Star
Life Cycle of a High Mass Star