17:53
PBS Space Time
What If There's A Black Hole Inside The Sun?
Is there a black hole hiding in the core of the Sun eating it from the inside out?
What If The Speed of Light is Not Constant?
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
What If The Speed of Light is Not Constant?
Season 9 Episode 19 | 15m 5s
One of the most fundamental physics facts is that the speed of light in a vacuum is constant for all observers. But can we really be sure? In fact, variable speed of light theories have long been used to try to explain everything from dark energy to gravity itself. Let’s explore how constant this fundamental constant really is.
Subscribe to Our Newsletters
Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.