360 degree space background with exoplanets or extrasolar planets, nebula and stars, equirectangular projection, environment map.

360 alien astronomic astronomical astronomy background black bright cosmic cosmology cosmos deep degree equidistant equirectangular exoplanet extrasolar extraterrestrial fantasy field futuristic galaxy globe hdr hdri illustration infinity light map moon nature nebula orbiting outer panorama planet projection reality round scenic science scifi sky space spherical star texture universe view virtual