Astronomy Picture of the Day . ... 28.02.1996 . ... Credit: J. Schoemer ( NASM ) Explanation: Tremendous explosions near the center of our Galaxy were discovered just this past December and are being announced today by a paper in Nature and a press conference at NASA . Bursts like these have never been seen before, and so the exact cause is unknown and will likely be the source of astronomical speculations and observations for years to come. ... Publications with keywords: Galactic Center . ...