Intergalactic Space Is Brighter Than Thought, NASA Rocket Experiment Shows

Time-lapse image of a Cosmic Infrared Background Experiment (CIBER) rocket launch, at NASA’s Wallops Flight Facility in Virginia in 2013. This was the fourth flight of CIBER. Image Credit: T. Arai/University of Tokyo

The universe is vast and, apart from the stars and galaxies, a seemingly very dark and empty place, with utter […]

Hubble Observes the 'Ghost Light' of Orphaned Stars Inside Galaxy Cluster

The massive galaxy cluster Abell 2744 takes on a ghostly look in this view by the Hubble Space Telescope, where the total starlight from the cluster has been artificially colored blue. This reveals that not all the starlight is contained within the galaxies, which appear as bright blue-white blobs in the image. A […]