How big is the universe, really?

How big is the universe, really?
From the Moon to the edge of the observable cosmos, this video takes you on a jaw-dropping journey through space — showing just how small Earth truly is in the vastness of the universe. Prepare to have your mind blown by the scale of our existence, the distances between stars, and the wonders that lie far beyond what we can see.

🚀 This isn't just a space documentary. It’s a perspective shift.

🌍 Chapters / Timestamps:
00:00 – Intro: A Tiny Blue Dot
01:00 – Earth to Moon (384,000 km)
01:45 – Earth to Sun (1 AU / 150M km)
02:30 – Mars & Beyond
03:20 – Voyager 1 & Interstellar Space
04:10 – Oort Cloud & Heliosphere
04:50 – Alpha Centauri (4.37 light-years)
05:40 – The Milky Way Galaxy
06:20 – Human Radio Bubble
07:00 – Virgo & Laniakea Supercluster
07:45 – The Observable Universe
08:30 – The Twist: What Lies Beyond

📚 Sources / Scientific References:
NASA – Voyager Mission Data
🔗 https://voyager.jpl.nasa.gov
ESA (European Space Agency) – Interstellar and Galactic Scale
🔗 https://www.esa.int
Carl Sagan’s “Pale Blue Dot” (1994)
🔗 https://www.planetary.org/explore/space-topics/earth/pale-blue-dot.html
Scientific American – Size of the Observable Universe
🔗 https://www.scientificamerican.com/article/how-large-is-the-universe/
NASA Exoplanet Archive & Hubble Discoveries
🔗 https://exoplanets.nasa.gov
Harvard-Smithsonian Center for Astrophysics – Laniakea Supercluster
🔗 https://www.cfa.harvard.edu/news/laniakea
🎙️ Narration Inspired by:
Carl Sagan, Neil deGrasse Tyson, Brian Cox, and Fraser Cain

⚡ Don’t Miss This:
If you enjoy videos that expand your mind, hit LIKE, SUBSCRIBE, and tap the 🔔 so you never miss the next cosmic deep dive.

🔥 Related Videos:
“What’s Beyond the Edge of the Universe?”
“The Scale of Black Holes”
“What If Earth Was in Another Galaxy?”
🚀 Hashtags for Discovery:
#HowBigIsTheUniverse #SpaceExplained #CosmicJourney #UniverseScale #Astronomy #CarlSagan #ScienceDocumentary #NASA #MindBlown #Cosmos #Voyager1 #MilkyWay #Laniakea #SpaceYouTube