Astronomy Picture of Day: Color of Universe# Astronomy - 天文
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The Average Color of the Universe
Explanation: What color is the universe? More precisely, if the entire sky was 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 above, is a
conditionally perceived shade of beige. To determine this, astronomers computationally
averaged the light emitted by one of the largest sample of galaxies yet analyzed: the 200,000
ga
Explanation: What color is the universe? More precisely, if the entire sky was 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 above, is a
conditionally perceived shade of beige. To determine this, astronomers computationally
averaged the light emitted by one of the largest sample of galaxies yet analyzed: the 200,000
ga