How Big is the Universe? | The Observable Universe & Beyond
astrobackyard.com
How Big is the Universe? | The Observable Universe & Beyond
How Big is the Universe? The actual spatial size of the universe is unknown. However, by measuring the observable universe, the current size of the universe is approximately 95 billion light-years in diameter.
3 months ago
Universe Documentary
Black Hole Apocalypse: What's Inside a Black Hole? | Full Documentary | NOVA | PBS
1:53:04
Black Hole Apocalypse: What's Inside a Black Hole? | Full Documentary | NOVA | PBS
YouTubeNOVA PBS Official
6.7M viewsAug 25, 2023
Universe Trailer | New Series | BBC Earth
1:20
Universe Trailer | New Series | BBC Earth
YouTubeBBC Earth
597K viewsOct 22, 2021
The End of Time | The Universe | BBC Earth
2:59
The End of Time | The Universe | BBC Earth
YouTubeBBC Earth
1.6M viewsNov 16, 2021
Top videos
Ever wonder how far away those stars in the night sky are? 🤔 Our Sun’s nearest neighbor star is about 4 light-years away … our galaxy is over 100,000 light-years wide! But what does that even mean? Check out this Tumblr for a primer: https://nasa.tumblr.com/post/184153458369/how-big-is-our-galaxy-the-milky-way | NASA Universe
1:46
Ever wonder how far away those stars in the night sky are? 🤔 Our Sun’s nearest neighbor star is about 4 light-years away … our galaxy is over 100,000 light-years wide! But what does that even mean? Check out this Tumblr for a primer: https://nasa.tumblr.com/post/184153458369/how-big-is-our-galaxy-the-milky-way | NASA Universe
FacebookNASA Universe
3M viewsMay 12, 2020
Measuring the Universe
5:05
Measuring the Universe
YouTubeScienceOnline
104.9K viewsDec 20, 2012
How old is the universe exactly? A new theory suggests that it's been around for twice as long as believed
0:18
How old is the universe exactly? A new theory suggests that it's been around for twice as long as believed
phys.orgRajendra Gupta
Aug 29, 2023
Universe Mysteries
Unexplained Mysteries of the Universe | Space Documentary 2025
3:07:37
Unexplained Mysteries of the Universe | Space Documentary 2025
YouTubeBeyond the Galaxy
68 views1 month ago
Black Holes, The Big Bang, And More Of The Universe's Greatest Mysteries
3:17:49
Black Holes, The Big Bang, And More Of The Universe's Greatest Mysteries
YouTubeSpark
34.2M viewsNov 28, 2021
Dark Universe 101 | National Geographic
3:03
Dark Universe 101 | National Geographic
YouTubeNational Geographic
596.7K viewsJul 5, 2018
Ever wonder how far away those stars in the night sky are? 🤔 Our Sun’s nearest neighbor star is about 4 light-years away … our galaxy is over 100,000 light-years wide! But what does that even mean? Check out this Tumblr for a primer: https://nasa.tumblr.com/post/184153458369/how-big-is-our-galaxy-the-milky-way | NASA Universe
1:46
Ever wonder how far away those stars in the night sky are? 🤔 Our Su…
3M viewsMay 12, 2020
FacebookNASA Universe
Measuring the Universe
5:05
Measuring the Universe
104.9K viewsDec 20, 2012
YouTubeScienceOnline
How old is the universe exactly? A new theory suggests that it's been around for twice as long as believed
0:18
How old is the universe exactly? A new theory suggests that it's bee…
Aug 29, 2023
phys.orgRajendra Gupta
The Largest Star in the Universe Is 1,700x Bigger Than Our Sun
The Largest Star in the Universe Is 1,700x Bigger Than Our Sun
Feb 14, 2024
howstuffworks.com
What is a light-year?
0:50
What is a light-year?
Dec 22, 2021
SPACE.comJonathan Gordon,Tim Childers
What is a light-year? - NASA Science
What is a light-year? - NASA Science
Mar 5, 2020
nasa.gov
Size of the universe | How big is the universe | universe size
2:40
Size of the universe | How big is the universe | universe size
8K viewsJul 27, 2023
YouTubeSpace Exploration
How Far is a Light Year? | The Fastest Thing in the Universe
3 months ago
astrobackyard.com
Our Milky Way Galaxy: How Big is Space? - NASA Science
Apr 2, 2019
nasa.gov
Overview - NASA Science
Sep 1, 2020
nasa.gov
How long is a light-year? Here are some ways to think about it.
Nov 20, 2024
MashableElisha Sauers
10:14
The Immense Size of Our Universe Visualized with Space Engine
168.5K viewsJul 26, 2017
YouTubeefeuEntertainment
Oldest surviving light reveals the universe's true age
Jul 17, 2020
livescience.com
1:46
Our Expanding Universe: Age, History & Other Facts
Jan 18, 2022
SPACE.comAilsa Harvey,Charles Q. Choi
How old is the universe exactly? A new theory suggests that it’s bee…
Aug 28, 2023
theconversation.com
9:46
If the universe is only 14 billion years old, how can it be 92 billion l…
7.1M viewsJun 19, 2019
YouTubeFermilab
2:32
How Many Years are in a Light Year? | The Speed of Light
172.6K viewsJan 3, 2019
YouTube2 Minute Classroom
Light years guide for KS3 physics students - BBC Bitesize
Mar 2, 2023
bbc.co.uk
4:59
Understanding Astronomical Unit and Light Year | Units to measure …
95.6K viewsJun 3, 2019
YouTubeThe Practical School
Large Scale Structures - NASA Science
Aug 3, 2022
nasa.gov
4:35
Universe Size Comparison
958.7K viewsSep 23, 2021
YouTubeExcellent guy
6:00
Size of the universe | Smallest to the Largest
197.6K viewsJun 19, 2020
YouTubeThe Explained Channel
2:10
Light Years explained
197.9K viewsApr 27, 2010
YouTubeJoe Collins
0:59
Light Year Explained in a Minute
495.8K viewsFeb 8, 2023
YouTubeThe Secrets of the Universe
7:25
Big Universe. Bigger God.
38.3K viewsApr 30, 2018
YouTubeThe John 10:10 Project
0:54
What is a Light-Year? 🌌 Measuring Cosmic Distances Explained!
643 viewsAug 1, 2024
YouTubeSpace Facts
5:51
Universe Size Comparison | Planet Size Comparison | Stars Size Com…
16M viewsFeb 7, 2023
YouTubeCountless Number
51:13
Understanding The Universe
1.4M viewsApr 27, 2012
YouTubemindfuckuniverse
0:48
HOW BIG OUR UNIVERSE REALLY IS ? | UNIVERSE ZOOM OUT |
3.4K viewsAug 18, 2023
YouTubeScientific World
See more videos
Static thumbnail place holder