Welcome to Star Talk.

Your place in the universe where science and pop culture collide.

Star Talk begins right now.

I'm your host, Neil deGrasse Tyson, your personal astrophysicist.

And this is Star Talk.

This is Cosmic Queries edition.

Cosmic Queries.

And I'm ambivalent whether I prefer Cosmic Queries that is single topic or whether it's Pope-Perie.

This one is Pope-Perie, which is easier to stump me.

And if we're going to do a Pope-Perie, I don't want to do it alone.

But I know who to call.

I've got like a bat signal.

And my friend and colleague Charles Lou, Charles.

Hi, Neil.

There you go.

So this is not your first time on Star Talk.

Your end time on Star Talk, as we say, that means you've lost count.

And it's some large number algebraically.

And so Eugene, we have questions that come to us over our Facebook pages and our Twitter and other outlets.

And sometimes we can gather them into one topic, but other times we can't.

And this is the Pope-Perie.

So I have not seen the questions.

...