a distant spiral galaxy seen from the edge of the universe, with its arms glowing in the darkness

galaxy spiral universe arm edge distance space glow cosmo astronomy observe formation distant spiralarm photosphere dimensional nebula emission celestialbody cluster telescope unfold mystery starlight spectroscopy observatory phenomenon lightyear celestial decay astronaut photograph entity darkness wavelength ancient energy unveil perfect atmosphere hotspot horizon immensity exploration natural interstellar luminosity arms glowing gerenetive