From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
The policeman tells Christopher he's being arrested for assault. When he hears this, he feels much calmer, because it's the kind of thing cops say on TV.
The policeman puts him into the back of his police car, and Christopher looks out the window up at the stars. He takes this opportunity to tell us a little about the universe. It turns out he likes scientific facts, because they are things "you can work out in your own mind [...] without having to ask anyone" (17.13).