... Dubbed GRB 130427A, the gamma-ray burst was first seen by the Earth-orbiting Swift satellite in high energy X-rays and quickly reported down to Earth. ... Tails of Comet Lemmon . ... First of all, just about every comet that nears the Sun displays two tails: a dust tail and an ion tail. A Supercell Thunderstorm Cloud Over Montana . ... Long before humankind evolved, before dinosaurs roamed, and even before our Earth existed, ancient globs of stars condensed and orbited a young Milky Way Galaxy. ...