black hole sign

black hole sign, black hole symbol, space phenomenon, cosmic object, gravitational pull, event horizon, singularity, astrophysics, astronomy, space mystery, dark matter, cosmic gravity, interstellar object, collapsed star, cosmic void, space anomaly, astrophysical object, gravity well, space curvature, spacetime distortion, massive object, cosmic phenomenon, celestial object, universe mystery, black hole concept, space collapse, cosmic event, stellar remnant, space singularity, cosmic energy, gravitational field, black hole illustration, astrophysics study, cosmic research, space exploration, dark energy, space science, universe exploration, black hole theory, cosmic force, space study