Theoretical astrophysicist Katie Mack talks black holes, dark matter, and the end of the universe.Questions Include: WTF is dark matter? Why is dark matter invisible? How much dark matter is in a galaxy? Is dark matter a series of really small black holes? Why do black holes spaghettify you? How close can you get to a black hole? Can we see black holes? Why are there supermassive black holes at the center of every galaxy? How do you get supermassive black holes in galaxies? Why do some black holes grow so fast? What did Interstellar get wrong?Follow ‘I Need My Space’ on Social Media:Twitter: @INeedMySpacePodInstagram: @INeedMySpacePodFB Group: I Need My Space PodTo continue the conversation from this episode, use the hashtag #INeedMySpaceWhere to Find Katie Mack:Twitter: @AstroKatieWebsite: astrokatie.comWhy You Need Your Space:In this episode, NFL quarterback and aerospace engineer Joshua Dobbs, talks to us about why he needs his space! You can follow Joshua on Twitter @josh_dobbs1 and on Instagram @joshdobbsAbout Inverse:Inverse sparks curiosity about the future. We explore the science of anything, innovations that shape tomorrow, and ideas that stretch our minds. Our goal is to motivate the next generation to build a better world.Credits:I Need My Space is an Inverse production hosted by Rae Paoletta and Steve Ward, produced by Sam Riddell, and executive produced by Hannah Margaret Allen. Our intro and outro music was created by Andrew Olivares.Rae: @payoletterSteve: @stevejohnhenrywAndrew: https://soundcloud.com/andrewoOther Topics Discussed Include: electromagnetism, the event horizon, spaghettification, tidal forces, Muse (band), Interstellar (2014), Venus, Mars, Neptune, Uranus, gas giants, and the end of the universe.