I'm

Oh Thank you. I'm Astronomycast, Episode 740, Sneaky Stars.

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

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

I'm Fraser Kane.

I'm the publisher of the universe today.

With me, as always, is Dr. Pamela Gay, a senior scientist for the Planetary Science Institute

and the director of CosmoQuest.

Hey, Pamela, how you doing?

I am doing well. I am deeply amused that the title I came up with was,

why you can't trust stars, and you're just like sneaky stars. I love the change that occurred

between the two of us.

Yeah, yeah, and you should see the list of, like, proposed titles that I gave to Pamela for upcoming episodes.

I look forward to it. We are in the process.

Title disruption events, techno signatures. Yeah. Cool. Yeah. Yeah. Very straightforward titles. Pamela's along with the complicated one. So,

but in this case, I, I overrode your title with mine. So I, but I figured you'd be cool with that. Yeah.

If you were an astronomer, you depend on accurate observations of stars, but there's a problem. Stars are sneaky, changing in size, brightness, color. They hide their chemistry, their age,

and even their companions from all but the clever observers observers. Stars explode precisely when

they intend to. We'll talk about it a second, but it's time for a break. Let's talk about something

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