... 12.11.2008 . ... Phoenix's last signal.. ... The region's spidery appearance is responsible for its popular name, the Tarantula nebula, except that this tarantula is about 1,000 light-years across, and 180,000 light-years away in the southern constellation Dorado. Our Galaxy s Central Molecular Zone . ... The two bright sources at the center of this composite x-ray (blue)/ radio (pink) image are co-orbiting supermassive black holes powering the giant radio source 3C 75. ... Next [ Last page ] . ...