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This is CBSI in the world. I'm John Batshire, two Mars, two Mars orbit, two a moon that is not much photographed until Bob Zimmerman is here.

He keeps the website behind the black and he introduces us to the second Martian moon.

My favorite being Phobos, but this is Demos. It's little brother. And Demos has mysteries. Bob, what are we looking at?

John, I've got on behind the black. One of the pictures taken by the United Arab Emirates Mars orbiter Al Amal, which means hope in English.

Al Amal is in a high global orbit. It's in a high orbit so they can get global data over the Martian weather patterns.

It's meteorology. But because it's in that high orbit, it's the first orbit in a position to be able to do close flybys of one of us two moons, Phobos and Demos.

It's in a high orbit. There's never been a close-up picture of Demos. We never really knew what it looked like up close until now.

Because Al Amal, the UAE engineers, maneuvered it recently in March to do a close flyby. This is one of a dozen. More than a dozen they're going to do. They're going to do like 30 different flybys over time.

But this first one gives us the first images. They have a whole set of images that makes it into a little movie. I've got a link to that movie if you want to watch it.

I've got one of the best images up and behind the black. And what's really cool, of course, is the image is taken with Mars in the background.

So you can, you know, it's more dramatic that way. What this picture tells us is without that plus the data about the makeup of Demos.

It's makeup is not like an asteroid from the asteroid belt. It's makeup matches that of Mars itself. That's what this flyby tells them.

And if it matches the makeup of Mars, it means it didn't come from the asteroid belt. It came from Mars itself, which means it was, to my mind, it was likely

to be exactly thrown out from Mars during one of the very, very big impacts during the initial massive bombardment about a billion years ago.

These massive impacts created things like hell is basin and all guy basin, very big basin, thousands of miles of course.

And big pieces could have been thrown out and end up being over around Mars. And I think that's what this data kind of tells us now.

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