a deep blue cosmic night sky with scattered stars and nebulas

space night sky stars nebulas cosmic galaxy blue dark starry vast infinite celestial nebula stardust universe astronomy cosmicdust interstellar outerspace celestialbody background abstract ethereal wonder beauty vastness awe twinkling magical dreamy serene tranquility peace mystery exploration discovery endless vibrant luminous shimmering cosmicglow cosmiclandscape interstellargas cosmicclouds stellarnursery light darkmatter deep scattered nebulas generated