Review Checklist - Sample Questions
- What is thermal pressure?
- Which sources can the interior of a star
get heat from?
- Do stars shine forever?
- Why aren't stars eternal?
- When would we call a star "young"?
- What do all main sequence stars have in common?
- What percentage of its life does a star spend
on the main sequence?
- How long does a star like the Sun stay on
the main sequence?
- What is the main nuclear reaction occurring
inside normal, main sequence stars?
- What element is produced from hydrogen fusion
in main sequence stars?
- What keeps main sequence stars from shrinking
down to smaller sizes?
- What does convection have to do with how
a stars works?
- How long does it take for energy produced
in the core of a Sun-like star to reach the surface?
After the Main Sequence
- Which stars are considered to be low-mass?
- What is the helium flash?
- When does a star become a red giant?
- Why does a star become red when it enters
the giant/supergiant phase?
- How big will the Sun become when it enters
the red giant phase?
- Can a star like the Sun produce energy in
the core after the supply of H is finished?
- What kind of star is Aldebaran?
Planetary Nebulae and White
- What is a planetary nebula?
- Are there planetary nebulae in our own galaxy?
- Have we seen planetary nebulae in other galaxies?
- What would you expect to find at the center
of an old planetary nebula?
- What is a white dwarf?
- What keeps white dwarfs from continuously
shrinking to smaller sizes?
- What is degeneracy pressure?
- What kind of star is Sirius B?
- What is a Roche lobe?
- What is strange about the star Algol?
- Why is Algol strange?
- What is the heaviest element that can be
formed by fusion in a star's core?
- Which stages will (won't) the Sun go through
at some point in time?
- What is a star 5 times as massive as the
Sun likely to do/become at the end of its life?
page by luca bombelli <bombelli at olemiss.edu>,
modified 29 sep 2012