Unlike typical galaxy formation, however, the outer blue spiral disk appears to be older than the inner red disk. (carnegiescience.edu)
The Ultra Deep Field will be the best portrait of typical galaxies growing within the young cosmos for at least a decade, says STScI astronomer Massimo Stiavelli. (sciencemag.org)
«The galaxy we have observed, EGS8p7, which is unusually luminous, may be powered by a population of unusually hot stars, and it may have special properties that enabled it to create a large bubble of ionized hydrogen much earlier than is possible for more typical galaxies at these times,» Sirio Belli, a Caltech graduate student who worked on the project, said, in the statement. (ibtimes.com)