Main Sequence Stars Student Guide
4. Use the section of the website about Old Stars to research answers to these questions.
Remember that labeled diagrams might help you best understand the answers and use the
information
Old
Find out about all the different things that can happen to a star as
it begins to grow old.
Stars
a
Stellar
Discover what happens to a star after it dies. Many of the most
mysterious objects in the universe are not true stars, but the
Remnants remains of stars that have long since died.
About how long can a star be in the main sequence phase?
b. What happens for the star to enter old age?
c. How long it takes a star to die depends on
d. Lower mass stars will become
e. What is a supernova and what type of star becomes a supernova?
f What happens to the core of a massive star? What happens to the outermost parts of an
exploded star?
g. What types of stars live the longest and why do they live the longest?
h. What are the three main fuels needed for nuclear fusion?
i. Record a detailed reaction for nuclear fusion in stars.