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Astronomycast, episode 246 from Monday, January 2nd, 2012.

What if something was different?

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

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

My name is Fraser Cain, I'm the publisher of University Day,

and with me is Dr. Pamela Gay, a professor at Southern Illinois University Everest Film.

Hey Pamela, how are you doing?

I'm doing well. How are you doing Fraser?

Doing really well.

So once again, we are recording this episode of Astronomycast as a live Google Plus hangout on air,

which means that if you're a big fan of Astronomycast,

you can actually watch us live as we record the show,

...