Wednesday
September 17, 2014

Homework Help: Cosmology

Posted by C on Friday, March 1, 2013 at 7:55am.

magine you look through a really strong telescope and see a rich cluster. Your telescope is so good that you can see a single galaxy at the center of the cluster. What can you say about that galaxy and be pretty confident that you are correct?
It has mass smaller than that of the Milky Way.
The galaxy is likely not in dynamic equilibrium.
It is a giant elliptical galaxy.
It is a spiral galaxy.

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