May 12, 2025
2,673,737
49,524
2,456
1.94%
Every word spoken in this episode is indexed. Type any phrase to jump straight to the moment it was said.
Type any word or phrase that may have been spoken. Click a result to seek the player to that exact moment.
Try a name, a topic, or a quoted line
11:56Now PlayingBecome a Big Think member to unlock expert classes, premium print issues, exclusive events and more
"We are all in orbit around the center of the Milky Way galaxy. How big is this collection of stars? Somewhere between 200 and 400 billion suns in the Milky Way galaxy, about 100,000 light years across."
You can watch our full interview with Brian Cox here ►
Subscribe to Big Think on YouTube ►
Up next, Brian Cox on how black holes could unlock the mysteries of our universe ►
How do we measure the universe, and are we doing it wrong? Physicist Brian Cox uncovers the hidden assumptions behind our units of measurement, showing how human perspective distorts our understanding of space, time, and scale.
Cox explores the fundamental constants—like the speed of light, Planck’s constant, and gravity—that underpin the very fabric of our universe.
Read the video transcript ►
----------------------------------------------------------------------------------
Go Deeper with Big Think:
►Become a Big Think Member
Get exclusive content, early, adfree access to new releases, and more.
►Get Big Think+ for Business
Engage learners like never before with highimpact video microlearning from the biggest thinkers in the world.
----------------------------------------------------------------------------------
About Brian Cox:
Brian Cox obtained a first class honors degree in physics from the University of Manchester in 1995 and in 1998 a Ph.D. in High Energy Particle Physics at the DESY laboratory in Hamburg. He is now Professor of Particle Physics at the University of Manchester, The Royal Society Professor for Public Engagement in Science and a Fellow of the Royal Society.
Brian is widely recognized as the foremost communicator for all things scientific, having presented a number of highly acclaimed science programs for the BBC watched by billions internationally including ‘Adventures in Space and Time’ (2021), ‘Universe’ (2021), ‘The Planets’ (2018), ‘Forces of Nature’ (2016), ‘Human Universe’ (2014), ‘Wonders of Life’ (2012), ‘Wonders of the Universe’ (2011) and ‘Wonders of the Solar System’ (2010).
As an author, Brian has also sold over a million books worldwide including ‘Black Holes’, ‘Universal: A Guide to the Cosmos’, ‘Quantum Universe’ and ‘Why Does E=mc2?’ with co-author Professor Jeffrey Forshaw. He has set several world records for his sell-out live tours, including his most recent tour Horizons which has taken in venues across the globe.
Sentinel Indexing in Progress
Metadata and chapters are available. Claim extraction for this episode is pending.
All video content is delivered via YouTube embedded players in accordance with the YouTube Terms of Service. Sentinel provides research tools that promote discovery and accountability across political media.