Planetarium Puzzle －星座パズル－

Can you recognize a constellation and also find it in the real night sky? Planetarium Puzzle combines a constellation placement puzzle with an interactive planetarium based on real star positions. Learn where constellations appear by watching their direction and altitude, then explore the sky freely in the palm of your hand. FIND CONSTELLATIONS Choose Spring, Summer, Autumn, or Winter, then place each constellation card in the correct part of the sky. Direction hints help when you get stuck, and Show Answer automatically centers the correct constellation so beginners can learn as they play. EXPLORE THE NIGHT SKY Drag to look around and pinch to zoom. Turn constellation lines, constellation names, the Milky Way, planets, and other display options on or off. With Premium, smoothly play the sky from 8 PM to 4 AM or move directly to any time during the night. EXPERIENCE METEOR SHOWERS Explore the Quadrantids, Perseids, Geminids, Eta Aquariids, and Southern Delta Aquariids. View the sky near each shower's peak and locate its radiant. During time-flow playback, meteor activity changes with the time and radiant altitude. TOKYO, SYDNEY, AND CUSTOM DATES Switch between Tokyo and Sydney and recreate the sky for a selected date from 8 PM to 4 AM. Compare how the Northern and Southern Hemisphere skies differ. JAPANESE AND ENGLISH Switch the app language between Japanese and English at any time. FREE FEATURES - Seasonal constellation puzzles - Planetarium view of the Tokyo sky - Display controls for constellation lines, names, and more PREMIUM FEATURES This app includes optional paid features. A single, one-time Premium purchase unlocks: - Custom date and time selection - Sydney and Southern Hemisphere skies - Meteor Shower mode - Time-flow playback in Planetarium and Meteor Shower modes Premium is not a subscription. Once purchased, there are no recurring monthly fees.