Dr. Mack returns with a new introduction and updates on… listener questions! The universe, dimensions, asteroid bags and cosmic vertigo with the amazing Astro Katie, AKA Dr. Katie Mack. Part 1 was a primer on all things cosmological, from particle physics to black holes, so listen to that first then hop to this episode to get all your questions answered.

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Editing by Steven Ray Morris and Mercedes Maitland of Maitland Audio Productions

Transcripts by Emily White of The Wordary

Website by Kelly R. Dwyer

Theme song by Nick Thorburn

Cosmology (THE UNIVERSE) Part 2 Encore with Katie Mack