a purplehued depiction of distant starscapes within a sprawling nebula in deep space

nebulas space deep purple color palette starry night sky stars scattered cosmic clouds galaxies infinite distant astronomy astrophotography light years away starlight remote faroff celestial objects milky nebulae travel hubble telescope constellations glowing gas red giants blue shift dust interstellar medium radiation photons dark matter expansion black holes gravitational pull nuclear fusion planetary emission nebula reflection absorption