Keywords
accretion discs, active, active galactic nucleus, beam, black, black holes, blazar, burst, circumstellar disks, color image, colors, digitally generated image, discharge, electromagnetic radiation, emitting, eruption, event horizon, exploding, explosion, galactic, galaxy, gamma radiation, gamma ray bursts, gamma rays, hole, illustration, jet, laser beams, light, luminous, no people, nucleus, pink, protoplanetary disks, purple, quasar, quasi-stellar objects, radiating, radiation, ray, red, regions, releasing, space, spacetime, spectrum, spiral, swirl, universe, vertical, vortex, whirlpool, stock illustration, royalty free illustrations, stock clip art icon, stock clipart icons, logo, line art, EPS picture, pictures, graphic, graphics, drawing, drawings, vector image, artwork, EPS vector arts, fine art prints, print, poster, posters, mural, wall murals, stk202011s