Glitter sparkle twinkle flashing stars animation background space sky universe motion graphics gradient neon glow particle shimmer colour grey white

glitter sparkle stars animation space universe abstract dynamic motion graphics background backdrop shimmer twinkle sky nighttime 3d gfx effect 4k visual particle overlay realistic gradient surreal color colour design digital illusion movement light galaxies astronomy stella starry nights scene stargazing glow dark sparkling cosmic vibrant radiant glowing neon grey