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Astronomycast Episode 179 from Monday, March 1, 2010.

Mysteries of the Universe Part 2.

Welcome to Astronomycast, our weekly facts based journey through the cosmos.

We help you understand not only what we know, but how we know what we know.

My name is Fraser Cain and I'm the publisher of the Universe today.

And with me is Dr. Pamela Gaia Professor at Southern Illinois University, Evertsville.

And Pamela, how's it going?

It's going well. How are you doing, Fraser?

Good. It's actually exactly the same as I was with the last show,

because we're recording five minutes after we finished recording the previous show.

So whatever it's they gave you last time, they still stand.

Alright, so today we tackle more thrilling mysteries of the Universe.

And by tackle, we mean acknowledge their puzzling existence.

Some mysteries will be solved shortly.

Others will likely trouble astronomers for centuries to come.

Join us for Part 2.

Alright, so this time we're going to focus on some massive problems.

Galaxies. So we talked about the Milky Way,

but now we're going to talk in general about some galaxies in their formation.

So here's the first question.

...