space background hd with stardust and shining stars. realistic colorful cosmos with nebula and milky way

astronomy star galaxy nebula space sky universe planet purple earth aurora circle moon midnight night screenshot moonlight background stardust shining stars realistic colorful cosmos milky mbark cosmic journey captivating showcasing vastness celestial wonders beauty interstellar exploration embark generated art blue background galaxy background vector background colorful stars space galaxy blue universe beautiful backdrop realistic nebula cosmos stardust shining infinite milky outer design abstract