stardust
noun
°Particles of matter that fall from the stars down to Earth; often used idiomatically to suggest a fanciful or dreamlike quality.
" My sister's eyes were full of stardust, and she'd spend hours lazily planning her future life when she would make her big break in the movies. "
°A distant cluster of stars, resembling a cloud, the individual stars of which cannot be resolved.
synonyms: cosmic dust