In Episode 4, Michael and Elise bring in Christopher Spalding to talk about the binary disks in the Star Trek: Discovery trailer as well as astrophysical disks in general.

Note: Chris uses the term "Hill sphere." Listeners may have heard the alternative term "Roche lobe." These are essentially the same.

Erratum: Michael calls the Discovery character "Michael Burnhams" when it is actually Michael Burnham.