A astronomy cast, episode 590, lunar hazards, dust, radiation, and more.

Welcome to Astronomy Cast, a weekly fax-based journey through the cosmos, who will help

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

I'm Fr. Cain, publisher of Universe Today, with me as always is Dr. Pamela Gay.

I've seen your scientist for the Planetary Science Institute and the Director of Cosmic

Quest. Hey Pamela, how you doing?

I am doing great and I am pleased to say hello to our new audience on Houston Channel

21, where we're on at 11 p.m. after the nightly news in the daily space. This is exciting!

This is so cool, hello Houston!

So if things are a little awkward, we are still learning our way around television, but

don't you fear we're going to be here getting better every week as we work to bring you

more and more science.

Well to be fair, this is episode 590 of our long-running astronomy cast show. We have done

more seasons that I think either of us can even count. There are not numbers in the universe

high enough to calculate how long we've been doing this show. So while we may be new

to television, we are definitely not new to astronomy cast and we will do our best to

adapt astronomy cast to this television that you're watching this on right now. It's

like the internet I think.

And like everyone on television right now, we are recording this from our homes. I am

in southern Illinois where I realized as we went to record my Halloween and Christmas

combined decorations are still on my wall. How about you, Fraser?

I'm on Vancouver Island, Canada. Of course, the heart of space journalism here at the

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