starry night sky with crescent moon over mountain range, dreamy nightscape concept

milky nighttime serenity dreamscape sleep aid visualization meditation background fantasy art book cover poster wall art creative design night sky space universe galaxy star pattern evening sky nighttime landscape background graphic design digital art moon phases lunar astrology stargazing outdoor night landscape nature night skyline night sky wallpaper tranquil serene magic night fantasy dark blue sky night cosmos astronomy celestial nighttime mountain silhouette silhouette peaceful night moonlight dreamy sky nightscape twinkling stars mountain range night sky crescent moon starry night