Supersized #blackhole powered galaxy: #NASA telescope spots most extreme blazars yet https://t.co/ibe5YCyQY5 pic.twitter.com/Dif0eUl5jE— RT (@RT_com) 30. siječnja 2017.
Supersized #blackhole powered galaxy: #NASA telescope spots most extreme blazars yet https://t.co/ibe5YCyQY5 pic.twitter.com/Dif0eUl5jE