Clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes.
This image from Nasa's Spitzer Space Telescope shows a stellar nursery containing thousand of young stars & developing protostars near the sword of the constellation Orion. I heart the Spitzer space telescope.
A rose made of galaxies *This image of a pair of interacting galaxies called Arp 273 was released to celebrate the anniversary of the launch of the NASA/ESA Hubble Space Telescope. Credit: NASA, ESA and the Hubble Heritage Team (STScI/AURA)
Going underground: The massive European network of Stone Age tunnels that weaves from Scotland to Turkey
Stone Age man created a massive network of underground tunnels criss-crossing Europe from Scotland to Turkey, a new book on the ancient superhighways has claimed. German archaeologist Dr Heinrich Kusch said evidence of the tunnels…