If a human eye were next to a distant nebula captured by Hubble, what would the light appear as?

Answer

A dull gray or black smear

The light reaching human eyes from deep-space objects, even those successfully captured by instruments like the Hubble Space Telescope, would appear extremely faint due to the immense distance involved and the comparatively limited light-gathering capacity of human eyes. Unlike the sophisticated mirrors and sensors of astronomical equipment, our eyes cannot collect sufficient photons in a short period to resolve detail or perceive color from these faint sources. Consequently, the visual experience would be dominated by darkness, rendering the object as little more than a subtle gray or black smudge against the background.

If a human eye were next to a distant nebula captured by Hubble, what would the light appear as?

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