J. K. Rowling drew upon star lore to name some of her characters, and this seems like a great excuse to talk about a few of the sky's wonders.
Harry Potter Astronomy
What a space week!
Ultima Thule is the first known "contact binary" small body in the solar system.
Habitability of planets in red dwarf systems
KM dwarfs are excellent places to search for life. The minute we build starships, we should stuff a few geo-astro-biologists on board and find out more.
Fakery Detector
... sorting truth from fiction takes mental work and time. Learning will occur.
Kin to the stars.
"Spectroscopy," I might answer.
"Huh?" one might reasonably reply.
Guy Worthey 