News Space Dark energy constantly with us New observations about the density of galaxy clusters through time suggest dark energy’s strength has been a constant By Ron Cowen December 15, 2008 at 2:51 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print VANCOUVER, Canada — Chalk up another victory for the dark side. DARK INFLUENCE X-ray observations of massive clusters of galaxies, as seen by NASA’s Chandra X-ray Observatory, show the fingerprints of dark energy.
