Home PBS Space Time Season 2021 Episode 7

How Does Gravity Affect Light?

PBS Space Time · Season 2021 · Episode 7
We know that gravity exerts its pull on light, and we have an explanation for why. Actually, we have multiple explanations that all predict the same thing. And at first glance, these explanations seem to describe completely different causes. So what is the true connection between light and gravity, or is truth, in fact, entirely relative?

Episode Details

Air date, runtime, timezone, and episode position.

Season
2021
Episode
7
Air Date
09/Mar/2021
Air Time
12:00
Runtime
14 min

Overview

Episode summary.

We know that gravity exerts its pull on light, and we have an explanation for why. Actually, we have multiple explanations that all predict the same thing. And at first glance, these explanations seem to describe completely different causes. So what is the true connection between light and gravity, or is truth, in fact, entirely relative?

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