A new study suggests dark matter could subtly tint or polarize light, leaving faint color clues that next-generation telescopes might detect.
Not-so-dark matter? Mysterious substance might leave red and blue 'fingerprints' on light
Source: space
Source Link: https://www.space.com/astronomy/dark-universe/not-so-dark-matter-mysterious-substance-might-leave-red-and-blue-fingerprints-on-light