silhouette children stand holding hands raised up enjoyment while watching at comet

active adorable alert appearing approach arms arrives asteroid astrochemist astronaut astronomers astronomical atlas boy brand celebrate cheerful child childhood children cloud comet cosmos darkness discovered dusk education enjoyment evening falling family font friends fun generated girl group hand happiness hemisphere hill horizon impact joy kid light little looking morning nature night observing parent person poster presentation science screenshot silhouette sky space standing star stretching strips sunrise sunset surprise tail text together tsuchinshan universe watching