Science What are years… and the galactic supermassive black hole! by DDF - February 28, 2012 0 Source Tags: archimedes, atom, Atomic, black, boson, cat, cern, color, dark, drawing, educational, einstein, electron, elliptical, energy, fermion, fire, general relativity, geology, gravity, henry, higgs, hole, jesus, leap, LHC, light, massive, matter, milky way, minute, minutephysics, moon, mozart, neutrino, Nobel, nuclear, photon, physics, Prize, quark, reich, relativity, rocket, RSAnimate, Schrodinger, science, Seasons, special, standard model, supermassive, theory, theory of everything, tides, time, universe, xkcd, year