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Frontier AI Labs with Wil Waldon

With So Many Stars, Why aren't we blind from the light?

9 min22 oktober 2023

Redshift plays a crucial role in our perception of a dark universe. When light waves stretch due to the universe's expansion, their wavelength increases, moving them toward the red end of the electromagnetic spectrum. For light emitted from objects moving away from us, this can mean a shift out of the visible spectrum entirely, rendering them invisible to the human eye. This process is particularly pronounced for celestial bodies at great distances, which could effectively make large sections of the universe invisible and therefore dark to our perception.

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