celestial doodles, detailed moon phase doodles in white on blackboard, with minimalist planetary s and nebula-like

celestial doodles detailed moon phase white blackboard minimalist planetary symbols nebula smudges lunar astronomy sketches galactic artwork bodies space illustrations cosmic drawing moonlight sketching stars astrology dark universe night sky astral design sketchbook artistic phases sketch spacecraft planet bright nighttime creative moonbeam star nightscape handdrawn temporal glow sketchy ai generated