space background with purple nebula and stars. panorama, environment 360 hdri map. equirectangular projection, spherical panorama.

360 and astronomic astronomical astronomy background black bright cosmic cosmology cosmos deep density environment equidistant equirectangular evening fantasy field galaxy glow glowing hdr hdri heaven illustration infinity light map nature nebula outdoor panorama panoramic peaceful projection purple round scene scenery science sky space spherical star stars texture universe view