Previous studies of distant dead galaxies have assumed that their structure is similar to the local elliptical galaxies they will evolve into. (sciencedaily.com)
«Hubble sees «ghost light» from dead galaxies.» (sciencedaily.com)
It found similar - looking dead galaxies existed about 10 billion years ago and, by careful examination of their light, showed they were actively building stars for less than a billion years — a blink of the eye compared with our Milky Way, which is still making stars after more than 12 billion years. (sciencemag.org)