Source: ESO Science Release eso1228
Dark galaxies spotted for the first time.
Image credits: ESO, Digitized Sky Survey 2 and S. Cantalupo (UCSC)
For the first time, dark galaxies — an early phase of galaxy formation, predicted by theory but unobserved until now — may have been spotted. These objects are essentially gas-rich galaxies without stars. Using ESO’s Very Large Telescope, an international team thinks they have detected these elusive objects by observing them glowing as they are illuminated by a quasar.(read more)