Hello, SFIA audio listeners. In this month's Nebula exclusive, big alien theory,

we're asking the reason alien civilizations might be rare is because most aliens are huge.

To hear it and every episode early and ad-free, plus hours of bonus content,

check out go.nebula.tv slash Isaac Arthur and use my code, Isaac Arthur.

Good afternoon, everyone, and welcome to a monthly live stream Q&A here with SFIA.

We'll be wrapping a month up with questions about the episodes, the channel, and anything

crosses the audience's mind.

As usual, we'll be joined by my lovely host and co-host and wife, Sarah, who will be taking

your questions from the audience.

And as we usually do, we ask, please put those into the moderator as as old as you can,

but typed well and clearly so we don't get confused about it was,

as with the vacuum raccoon incident from a couple years back.

Did you ever find out what a vacuum raccoon was?

No, but it was a vacuum rocket.

The vacuum raccoon still stood a lot better. I like the idea what a vacuum raccoon was? No, but it was a vacuum raccoon. That was actually a vacuum raccoon. The vacuum raccoon still stood a lot better.

I like the idea of a vacuum raccoon.

It was.

Ah, is that what it was?

Well, we have got about 91 fans watching at the moment,

and Albert Jackson is telling us that he is having a ham

and cheese sandwich for lunch and he would like to know what you think about an

interplanetary exchange student program similar to how some countries do exchange program

...