The Glowing Universe --"This is a Great Discovery!"
“This is a great discovery!” said ESO team member Themiya Nanayakkara in fall of 2018 about the discovery that almost all of the sky is invisibly glowing with Lyman-alpha emission from the early Universe. “Next time you look at the moonless night sky and see the stars, imagine the unseen glow of hydrogen: the first building block of the universe, illuminating the whole night sky.” Lyman-alpha Emission –“ First Building Block of the Universe” An unexpected abundance of Lyman-alpha emission that covers nearly the entire field of view in the Hubble Ultra Deep Field (HUDF) region...
Source: dailygalaxy.com
