July 27, 2013 @ Segmation
In 2002, scientists began debating the color of the universe. After leaving a meeting of the American Astronomical Society in Washington, D.C., astronomers from John Hopkins University worked hard to prescribe a color to the heavens.
At first, the John Hopkins team believed the Universe was turquoise. Once they corrected their formula, they discovered the universe was beige.
Astronomers concluded that cosmic latte was the color of the Universe after light measurements were taken from more than 200,000 galaxies. These measurements were used to create a spectrum of the Universe. After the sum was calculated, the average optical wavelength of light was figured. In other words, calculating various starlights determined an average color.
Stars are either blue or red, depending on the amount of heat they hold. Since the average color is beige, the universe currently has less blue stars than red. Different from earthly perception, however, these colors are not what they appear: blue indicates a star has a lot of energy and heat, while cooler stars are red.
According to a Daily Mail article, “[the Universe] colour has become much less blue over the past 10 billion years, indicating that redder stars are becoming more prevalent.”
Color may actually be an important factor in understanding the history of the Universe and how our galaxy is constantly changing.