Astronomy Picture of the Day: The Average Color of the Universe
To determine this, astronomers computationally averaged the light emitted by large samples of galaxies analyzed: the 200,000 galaxies of the 2dF survey.
Astronomy Picture of the Day: The Average Color of the Universe
To determine this, astronomers computationally averaged the light emitted by large samples of galaxies analyzed: the 200,000 galaxies of the 2dF survey.