Welcome to the first episode of HD and the Void, space edition! Start at the beginning of the universe with the Big Bang, then zoom to the beginning of records of humanity's astronomical observations with the Mesopotamian star chart MUL.APIN. Bonus fun facts: cosmic microwave background radiation, star catalogs, the constellation Triangulum, different kinds of calendars (solar, lunar, and luni-solar) and how to use constellations or seasons to track them, goat-fish, and retrograde motion.