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

Time dilation and Einstein's theory of relativity go hand in hand. Albert Einstein is the most popular physicist, as he formulated the ...

Have you ever wondered how one hour on one planet may last seven years on Earth? It's difficult to grasp, but the reason boils ...

Clocks in a gravitational field tick more slowly -- but why? What causes their rates to be slowed by the precise amount that they are ...

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For an uninterrupted viewing experience, we recommend watching our full-length Interstellar documentary video instead: ...

Is time relative? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice explore facts about Einstein's theory of ...

In 1919, Arthur Eddington led an expedition to observe a total solar eclipse, confirming that light passing near the Sun is deflected ...

Does gravity affect time? Does time pass differently on Jupiter than it does on Earth? Watch Neil deGrasse Tyson explain to ...

Why is time "relative"? How do we explain the twin paradox? Why does a clock inside an airplane seem to tick slower? All these ...

Cool Physics Tees (Unisex): https://floatheadphysics.com/collections/all To try everything Brilliant has to offer—free—for a full 30 ...

Time is relative, which means that the rate time passes changes based on numerous factors. What this means is that astronauts ...

Einstein's general relativity says gravity is spacetime curvature, but what does that mean? Let's take a look at how gravitational ...

The General Theory of Relativity tells us gravity is not a force, gravitational fields don't exist. Objects tend to move on straight paths ...

Explains how and why gravity affects the flow of time according to General Relativity.

Join a physicist, a neuroscientist, and a linguist as they explore the deep enigmas of time. Time feels like it flows, but does it? Time ...

The thing that's pulling you towards the ground right now isn't the force of gravity, as it's commonly understood. Instead, you're ...

Everything is relative. Or so that's what Einstein postulated over 100 years ago in his theory of special relativity. Just like how ...

Blackholes are a breakdown in the equations of spacetime. This means both space and time no longer behave the way we would ...