Against the Grain: NASA Says Half of All Stars Are in Between Galaxies

NASA had announced a press conference for yesterday afternoon to reveal amazing findings that would ‘change how we look at galaxies.’  And they did just that, sort of. Findings from the Cosmic Infrared Background Experiment (CIBER) reveal that there is a huge surplus of Infrared light present in the vast darkness that exists between Galaxies.  Infrared light is invisible to the human eye, but is emitted by most room temperature objects.  It fills the EM spectrum at wavelengths longer than visible light (See yesterday’s post for the EM spectrum).  This surplus of light is greater than what we would expect from galaxies...