 Our technical director and sound designer is Joe Hartke, with help from Sarah Hopeful. Additional music this week from Kai Engel, Sergei Cheromisenov, and Ketza. The executive producer of To the Best of Our Knowledge is Steve Paulson, and I'm Anne Strainchamps. From all of us, happy night walking and stargazing. Somewhere in the dark, we're out there right along with you.