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You should be familiar with the following terms as well as terms from previous chapters:
- stellar evolution
- interstellar medium
- noble gases
- nebulas
- free-fall collapse
- Bok globules
- evolutionary tracks
- protostar
- Herbig-Haro object
- accretion
- protoplanetary accretion disk
- dusty cocoon
- deuterium burning
- pre-main sequence
- main sequence
- zero-age main sequence
- brown dwarfs
- hydrogen-burning core
- proton-proton chain
- CNO cycle
- hydrogen-burning shell
- subgiant branch
- red giant branch
- helium core
- convective envelope
- blueward horizontal branch
- helium-burning core
- triple-alpha process
- redward horizontal branch
- helium-burning shell
- asymptotic giant branch
- carbon-oxygen core
- degenerate electron gas
- helium core flash
- low-mass stars
- high-mass stars
- subgiants
- giants
- bright giants
- supergiants
- hypergiants
- David Fabricius
- variable stars
- pulsating stars
- Henrietta Swan Leavitt
- Cepheids
- period-luminosity relationship
- light curve
- John Goodricke
- Large Magellanic Cloud
- Small Magellanic Cloud
- heavy elements
- heavy-element rich
- heavy-element poor
- Big Bang
- partial ionization zone
- instability strip
- RR Lyras
- long period variables
- \(\beta\) Cepheids (beta Cepheids)
- \(\delta\) Scuti variables
- Mira variable stars
- asteroseismology
- microphysics
- globular cluster
- reflection nebula
- open cluster
- galactic cluster
- Messier catalog
- Charles Messier
- color index
- color-magnitude diagram
- main-sequence turn-off point
- spectroscopic parallax
- distance modulus