Astrophysicists get excited beyond all reason because a black hole, V404 Cygni, has just erupted for the first time in 26 years. A black hole eruption, as we learn in this episode of Walkabout the Galaxy, is a giant outburst of X-rays. We also touch on the unfortunate loss of the Space-X ISS supply mission in July 2015, witnessed firsthand, as it turns out, by WtG-ers Addie and Tracy. In happier news New Horizons successfully encountered Pluto, Rosetta and Philae continue their comet exploration, and Dawn continues its studies of the asteroid Ceres. Here about all this and Josh’s attempts to understand pop culture and slang.