logo
Why Time Flows Differently Between Galaxies
PBS Space Time

1,046,667 views

94,965 likes

Thanks to Radiacode for sponsoring this video. Use the promo code "PBS" to get an exclusive 10% discount at: https://103.radiacode.com/PBS

The universe is expanding and that expansion is accelerating under the power of dark energy and eventually all matter and energy will be dispersed over such unthinkable distances that nothing can stop space from blowing up infinitely. Unless of course cosmologists blundered and dark energy doesn't even exist. Then it's back to the drawing board.

Sign Up on Patreon to get access to the Space Time Discord!

https://www.patreon.com/pbsspacetime

Check out the Space Time Merch Store

https://www.pbsspacetime.com/shop

PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE

Sign up for the mailing list to get episode notifications and hear special announcements!

https://mailchi.mp/1a6eb8f2717d/spacetime

Search the Entire Space Time Library Here: https://search.pbsspacetime.com/

Hosted by Matt O'Dowd

Written by Matt O'Dowd

Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria

Directed by Andrew Kornhaber

Associate Producer: Bahar Gholipour

Executive Producer: Andrew Kornhaber

Executive in Charge for PBS: Maribel Lopez

Director of Programming for PBS: Gabrielle Ewing

Assistant Director of Programming for PBS: John Campbell

Spacetime is a production of Kornhaber Brown for PBS Digital Studios.

This program is produced by Kornhaber Brown, which is solely responsible for its content.

© 2024 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

Space Time Was Made Possible In Part By:

Big Bang

Wojciech Szymski

Bryce Fort

Peter Barrett

Alexander Tamas

Morgan Hough

Juan Benet

Vinnie Falco

Mark Rosenthal

Supernova

Grace Biaelcki

Glenn Sugden

Ethan Cohen

Stephen Wilcox

Mark Heising

Hypernova

Spencer Jones

Dean Galvin

Michael Tidwell

Robert DeChellis

Stephen Spidle

Massimiliano Pala

Justin Lloyd

Matthew Pabst

David Giltinan

Kenneth See

Gregory Forfa

Alex Kern

Zubin Dowlaty

Scott Gorlick

Paul Stehr-Green

Ben Delo

Scott Gray

Антон Кочков

Robert Ilardi

John R. Slavik

Donal Botkin

Chuck Zegar

Daniel Muzquiz

Gamma Ray Burst

Bryan White

Aaron Pinto

Kacper Cieśla

Satwik Pani

Param Saxena

John De Witt

Nathaniel Bennett

Sandhya Devi

Michael Oulvey

Arko Provo Mukherjee

Mike Purvis

Christopher Wade

Anthony Crossland

Grace Seraph

Stephen Saslow

Tomaz Lovsin

Anthony Leon

Lori Ferris

Koen Wilde

Nicolas Katsantonis

Richard Steenbergen

Joe Pavlovic

Kyle Luzny

Chuck Lukaszewski

Jerry Thomas

Nikhil Sharma

John Anderson

Bradley Ulis

Craig Falls

Kane Holbrook

Ross Story

Harsh Khandhadia

Michael Lev

Rad Antonov

Terje Vold

James Trimmier

Jeremy Soller

Paul Wood

Kent Durham

jim bartosh

John H. Austin, Jr.

Faraz Khan

Almog Cohen

Daniel Jennings

Jeremy Reed

David Johnston

Michael Barton

Isaac Suttell

Bleys Goodson

Mark Delagasse

Mark Daniel Cohen

Shane Calimlim

Tybie Fitzhugh

Eric Kiebler

Craig Stonaha

Frederic Simon

Jim Hudson

Michael Purcell

John Funai

Adrien Molyneux

Bradley Jenkins

Vlad Shipulin

Justin Waters

Thomas Dougherty

Zac Sweers

Dan Warren

Joseph Salomone

Julien Dubois