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four-one-6ix t1_j9z7ng6 wrote

Well, this applies to anything you see that isn’t a source of light.

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AnotherSteveFromNZ t1_j9zkp9e wrote

And even applies to things that are a light sauce.

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BlakkMaggik t1_j9zosok wrote

Yep, it's true. All sauces, applesauce, ketchup, gravy, etc are seen as reflected light. They don't emit any light themselves.

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MutteringV t1_j9zw7h5 wrote

black-body radiation

https://en.wikipedia.org/wiki/Black-body_radiation

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Xijannemb t1_ja0nuzj wrote

While you may be correct, it's it only on a technicality. The vast majority of light observed from these condiments is reflected under normal conditions.

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AnotherSteveFromNZ t1_ja0tb06 wrote

So what you’re saying is people just aren’t looking hard enough. Try squinting really hard to see further in the electro magnetic spectrum.

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