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.Visit Dr. Mack’s website and follow her on Instagram, Twitter, YouTube and TikTokBuy Dr. Mack's new book: The End of Everything (Astrophysically Speaking)More episode sources & linksSmologies (short, classroom-safe) episodesSponsors of OlogiesTranscripts and bleeped episodesBecome a patron of Ologies for as little as a buck a monthOlogiesMerch.com has hats, shirts, masks, totes!Follow @Ologies on Twitter and InstagramFollow @AlieWard on Twitter and InstagramEditing by Steven Ray Morris and Mercedes Maitland of Maitland Audio ProductionsTranscripts by Emily White of The WordaryWebsite by Kelly R. DwyerTheme song by Nick Thorburn