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Astronomycast episode 404. What we know, what we don't know, and what we can't know.

Welcome to Astronomycast, a weekly facts based journey through the cosmos. We help you understand only what we know, but how we know what we know, and what we know and don't know and can't know quite a lot.

My name is Frays O'Kane, I'm the publisher of the universe today, and with me is Dr. Pamela Gay, a professor at Southern Illinois University, Edwardsville, and the director of Cosmicquest. Hey, Bill, how are you doing?

I'm doing well. How are you doing?

I don't know. I probably can't know.

No, I know. Do good.

The weather is lovely here, and we're, you know, what's that time when we come back around to spring, and we notice it?

It is true. I bike road like 36 miles this weekend, lapping in as much sunlight as I could, but we were only having indian summer.

While my tulips are coming up, they're going to get snowed on later this week.

No, we're done with snow. It's going to be nice from here on out.

Okay, cool. So let's do this episode.

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There are the things that we know, the things that we don't know, and the things that we can't know.

So how do we know which one is which when we're deciding to fund research and direct our scientific inquiry?

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