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29 September 2026 2518 stories tracked

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Cosmic Latte: The Average Color of the Universe

Cosmic Latte: The Average Color of the Universe

What color is the universe? More precisely, if the entire sky were smeared out, what color would the final mix be? This whimsical question came up when trying to determine what stars are commonplace in nearby galaxies. The answer, depicted here, is a conditionally perceived shade of beige. In computer parlance: #FFF8E7. To determine this, astronomers computationally averaged the light emitted by one of the larger…

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APOD · NASA — public domain
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