Helio Scope

HelioScope — Understand our star. Protect your skin.

Explore the Sun from core fusion to stellar life cycles, then master UV science with practical, cautious protection guidance. HelioScope is an offline-first educational companion for curious learners—not a medical device.

LEARN • History of heliophysics with an interactive timeline • Solar layers, composition, and fusion made clear • Star life cycles—including why our Sun will not become a black hole • Stellar size comparison from Proxima to hypergiants • Sunspots, solar wind, and auroras • Why the Sun matters for climate, life, and daily rhythms • Respectful cultural vignettes on living with high-sun and low-sun regions

UV LAB • UVA, UVB, and UVC explained in plain language • Benefits and harms without alarmism • WHO UV Index categories and what they mean • SPF, clothing, shade, and sunglasses guidance • Season and latitude planner (educational model) • Outdoor checklist and optional reapply reminders

PRACTICE • 350+ quiz questions across 16 categories • Study, Exam, and Daily Challenge modes • Flashcards and real-world scenario drills • XP, streaks, and badges as you learn

TODAY • UV index strip with protection suggestions • Daily UV Guess challenge • Sun facts and quick actions to keep learning

WIDGETS & SUN SESSION • Home Screen widgets for UV, sun facts, and quiz streak • Optional Live Activity checklist for outdoor time—user-started and clearly labeled as an educational tool

Works offline with bundled content. Optional weather data from Open-Meteo when online. Manual city selection works without location.

Educational information only. Not medical advice. Consult a healthcare professional for skin conditions.