What would be, like, the, the first elements of that?

As, as, as I was writing this or just sort of, um, scoping it out, thinking, "How am I gonna, how am I gonna do this?" And I...

And again, it's a, the, every chapter, pretty much every chapter, is a mix of, of, um, narration and exposition.

So there's, like, a little bit of science fiction element.

You are, you know, y- you go to the observation deck of your ship.

You look out, you see Saturn, uh, and, and the, the, the captain comes on the, the intercom and is telling you, "We're this far away." And then I, you know, I end that little section and then talk about the science leading up to that point, and I do this several times, especially in the Saturn chapter, 'cause there's just so much.

And I kept, I kept writing and writing, and it's like, "This chapter is 20,000 words long, and it h- well, it can only be seven, so what am I gonna do here?" Uh, a- a- and even then, I just...

What would that be like?

[laughing]

It was 1908.

That's fine.

I can live with that.

Um- Another rock came in into the Earth's atmosphere, and this one blew up above the ground, several miles up above the surface of the Earth.

The heat from the explosion set fire to the forest below it, and then the shockwave came down and knocked down trees for hundreds of square miles, okay? This did a huge amount of damage.

And again, this was a rock probably roughly the size of this auditorium that we're sitting in.

Learn more at paypal.com/paymonthly.

So maybe this is a, a silly question here, but why could Zero-G Day not actually happen?

There's so many reasons this cannot possibly happen.

Um, one is that gravity just doesn't work that way.

The strength you feel from an object, the gravitational force you feel from it, depends on how massive it is, how much stuff it has in it, and how far away you are from it, and it's a pretty strong relationship.

The farther away something is, the weaker its gravity is.

Now, Jupiter is a big planet, and it has a lot of gravity, but only if you're close.

Jupiter is really far away.

But for those of us who don't want to be caught out by a prank, whether that's photographs of fairies, strange shapes in a farmer's fields, or a zero gravity day, what can we do to avoid being fooled?

He's an astronomer, and he says the most important thing is air.

A house on the Moon absolutely has to do one thing, and that's keep you alive, and that means you have to be able to breathe.

And since there's no air on the Moon, you can't have, like, a window you can open.

No screen windows for getting a nice spring breeze blowing through.

You can't do that, so it has to be airtight.

Here's my human astronomer friend, Phil, again.

The thing about meteors when you're outside and you're, you're looking up in the night sky and you see a shooting star, right? That's a meteor, and that's caused by something that is typically smaller than a grain of sand.

But it's moving really, really quickly, and so it burns up.