if nothing exists outside the universe what is it expanding into galactic briefing

🌌 If NOTHING exists outside the universe… what is it expanding into? This isn’t just a science question — it’s one of the most mind-blowing mysteries in modern cosmology. In this episode of **Galactic Briefing**, we dive deep into the paradox of universal expansion: If the universe includes *everything*, then how can it expand? And more importantly… what lies beyond? 🚀 What you’ll learn in this video: Why scientists say “space is expanding” What “nothing” really means in physics The difference between the *observable universe* and the full universe Concepts of spacetime curvature and cosmic inflation What leading theories say about the *edge of the universe* (if it exists) Does the universe have a boundary… or is it infinite? 🔭 Whether you're a space enthusiast, a science nerd, or someone who just looks up at the stars and wonders, this video will reshape how you think about reality itself. 📚 Based on real scientific principles from astrophysics and cosmology, we make the complex easy to understand — in under 10 minutes. 🎬 Produced by *Galactic Briefing* Your go-to channel for clear, concise, and captivating explorations of space, time, and everything in between. 📅 New videos every week — from black holes and dark matter to space missions and mind-bending cosmic questions. 👇 Don’t forget to: 🔔 Subscribe:    / @galactic_briefing   👍 Like, Comment & Share this video if it made you rethink reality 🧠 Related Videos You May Enjoy: What If the Universe Is Infinite? What Happened Before the Big Bang? The Truth About Black Holes #GalacticBriefing #SpaceExpansion #WhatIsOutsideTheUniverse #CosmologyExplained #Astrophysics #ObservableUniverse #NothingBeyond #SpacetimeExpansion #ScienceYouTube #MindBlowingScience