Hello, SFIA audio listeners.

In this month's Nebula exclusive, big alien theory,

we're asked at 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.nebola.tv slash Isaac Arthur

and use my code, Isaac Arthur. Good afternoon, everyone, and welcome to the SFIA monthly live stream Q&A.

We'll get started in just a moment, but go ahead and start getting your questions in the chat

window so our moderators can start relaying those to me as soon as we start.

Please try to keep the questions concise and watch your spelling and try to be polite

to others in the chat.

We usually go for about an hour so you probably want to grab a drink

and a snack, though we'll take a break about halfway through too. With all that said, welcome

and let's get started.

Good afternoon everyone and welcome to our monthly live stream Q&A. We'll go again

start with your questions in just a moment.

But first I want to go ahead and say welcome

to what will probably be our one-year anniversary

of using the studio.

And our last occasion probably using the studio,

we might do the one for Maine here,

...