What evidence do we have that all parts of the
universe are expanding? How is this expansion
related to the measurement of distance to
remote parts of the universe?
What is the 3K background radiation? What is its
significance to the modeling of the formation of
the universe?
Why is the relative abundance of hydrogen and
helium considered to be such an important part of
the modeling of the universe?
What has led to the close cooperation between those
who study the very smallest things (quarks, leptons)
and those who study the very largest things (galaxies,
quasars)?
How did the sun come to be?
What will happen to the sun?
How does the sun process compare with other stars?
Is there really such a thing as a black hole?
How did the heavy elements form?
What is a quasar?
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