What is the average color of the universe

But Glazebrook is confident this time. The John Hopkins group were using the cosmic spectrum — not the subjective colour it corresponds to — to trace the history of star formation in the Universe. Their scientific results are not affected by their mistake. The new colour is much more subdued Glazebrook now says the true colour this data gives is closer to beige. Did you enjoy reading this article? Please subscribe to our newsletter to receive more stories like this directly in your inbox.

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Welcome to a platform where professionals can meet and exchange information and ideas. The scientists had gotten it wrong. The survey area reached out several billion light years, and included more than , galaxies. The spectroscopic surveyors were measuring all the light energy in the universe, broken down into its component wavelengths — which correspond to different colors. White light is made up of a lot of different colors of light, which is why, if you shine a flashlight through a prism, you get a rainbow.

The intensity of the cosmic spectrum at various wavelengths , and a representation of the colors they correspond to though the range of light actually visible to the human eye ranges from about 4,, angstroms. The younger the star, the bluer it is. The older the star, the redder it is. As time goes by and stars age, the cosmic spectrum changes too.

Starting with this spectroscopic information, the researchers were able to determine that most of the stars in the universe are more than 5 billion years old. So far so good -- all of this research seems to be right. The real mistake happened when the scientists used software they found online to simulate mixing that spectrum together into one color of light.

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