How big is the Universe, exactly?

The Universe is huge! It must go on forever, right? Not exactly. 

View this email in your browser Introducing: Daniel and Jorge Explain the Universe   Daniel's a particle physicist who conducts research using the Large Hadron Collider. Jorge's the cartoonist behind PhD comics, one of the web's geekiest (and funniest) comics! And with their powers combined, they're on a mission to Explain the Universe!  Listen to Daniel and Jorge Explain the Universe every Tuesday and Thursday on the iHeart Radio app, Apple Podcasts, and wherever else you get your podcasts!    Subscribe Here:      What's Inside A Black Hole? We all know that a black hole is super powerful. What's going on inside of it? Daniel and Jorge give their best guess. LISTEN HERE   Will an Asteroid Kill You? Are we destined to go the way of the dinosaur? Daniel and Jorge explain (potentially) deadly asteroids. LISTEN HERE What Is Dark Matter? Daniel and Jorge explain how dark matter was discovered, and what it might be. LISTEN HERE How Big Is the Universe? Does the Universe fo on forever, or have an end? What shape is it? LISTEN HERE Copyright © 2018 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 675 Ponce de Leon Drive NE Suite 4500 Atlanta, Ga 30308 Add us to your address book Want to change how you receive these emails? You can update your preferences or unsubscribe from this list.