a galactic collision between two massive galaxies, with stars and gas clouds merging in a cosmic dance

galaxy collision merge cosmic dance star gas cloud universe celestial redshift observatory observational interaction particle energywave dimensional phenomenon astralplane exoplanet formation spacetime spectrum starformation energy astrophysic phenomena astral massive supernova matter cosmicheat voidspace interstellar cosmicdust gravity expansion starfield galactic cosmology quasar orbital merger nebula supermassive intergalactic celestialbody galacticcore astronomy buoyancy two galaxies stars clouds merging gerenetive