 |
Describe the
overall structure of the Milky Way Galaxy, and
specify how the various regions differ from one
another. |
|
 |
Explain the
importance of variable stars in determining the size
and shape of our Galaxy. |
|
 |
Describe the
orbital paths of stars in different regions of the
Galaxy, and explain how these motions are accounted
for by our understanding of how the Galaxy formed. |
|
 |
Discuss some
possible explanations for the existence of the
spiral arms observed in our own and many other
galaxies. |
|
 |
Explain what
studies of Galactic rotation reveal about the size
and mass of our Galaxy, and discuss the possible
nature of dark matter. |
|
 |
Describe some of
the phenomena observed at the center of our Galaxy. |
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