Source: ESO Science Release eso1108
The most remote mature cluster of galaxies yet found.
Credit: ESO/NOAJ/Subaru/R. Gobat
Astronomers have used an armada of telescopes on the ground and in space, including the Very Large Telescope at ESO’s Paranal Observatory in Chile to discover and measure the distance to the most remote mature cluster of galaxies yet found. Although this cluster is seen when the Universe was less than one quarter of its current age it looks surprisingly similar to galaxy clusters in the current Universe. (read more)