Event Horizon, side view
Classic model of a galaxy forming around an offset binary supermassive black hole through merging (M87)
Galaxy nucleus under-going a violent outburst over part of the electromagnetic spectrum. (Observed in the gamma ray waveband.)
Accretion of "tiny" space matter units causing motion of a particular celestial body against a frame of reference
System of two stars in orbit around each other.(Also known as Superpartners.)
Wall (detail)
