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It's Okay to Be Smart: Sunlight Is Way Older Than You Think. Here’s Why…

8 minutes 23 seconds

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If the sun instantly switched off like a light bulb, it would take almost 8 and a half minutes before humans on Earth realized what happened. Light travels at the fastest speed there is, but it still takes almost 500 seconds to get to Earth. This means the sunlight that reaches Earth is old. How is that possible? It is due to the concept of random walks. Part of the “It’s Okay to Be Smart” series.

Media Details

Runtime: 8 minutes 23 seconds

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