Stellar Tour

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Stellar Tour is the only AR stargazing app written by an astrophysicist. Point your phone at the night sky and get a guided tour of everything up there: 1.7 billion real stars, every planet and major moon, eclipses, meteor showers, 13,000 deep-sky objects, and a course in astronomy that starts with the sky over your head and ends at the edge of the universe.

Astrophysicist Dr. Aaron Day wrote every word. Instead of the standard flood of random facts, Stellar Tour tells the scientifically accurate story of each world: what it is like on the ground, in the seas, or floating through the clouds.

THE NIGHT SKY, FOR REAL
• 1.7 billion stars from ESA's Gaia survey, each in its true position. Pinch to zoom from your backyard to the galactic core.
• The Milky Way as it actually looks, drawn from every star Gaia measured, with constellations, planets, and satellites overlaid on your live sky.
• A sky that looks like the time it is: dawn, daylight, twilight, and full dark, with a real atmosphere and hazy ridges on the horizon. The Moon shows its earthshine, and Earth's night side its city lights.
• Night Vision mode keeps your eyes dark-adapted with a pure red display.

LEARN THE SKY
• Fifteen short lessons, from the sky over your head to the edge of the universe. Every stop is a live visit: the lesson flies you to the star, steps the clock, or opens the tool it is talking about. The first three lessons are free.
• Three reference books inside the app, How We Know, The Sky, and The Whole Story, with a glossary and dozens of labeled diagrams.

SEVEN SKIES
• See the stars the way Japan, China, Korea, Vietnam, India, and the Arabian desert saw them: their star figures and folk names drawn on your sky, their stories on each star's page, and their lunar festivals on the calendar.

PLAN YOUR NIGHT
• Sky Calendar: every eclipse, meteor shower, conjunction, and full moon, filtered by type. The week ahead is free; the full year comes with the expansion.
• Night Planner: the best targets for your sky tonight, hour by hour. Sky Forecast: the cloud cover over your spot, hour by hour.
• Reminders that fire only when something is worth stepping outside for, including ISS and Tiangong passes with a live countdown.
• Home Screen and Lock Screen widgets for rise and set times and the next sky event. Ask Siri what is visible tonight.

ECLIPSE EXPLORER
Simulate any solar or lunar eclipse from any place on Earth: local timings, a disc animation of the Moon crossing the Sun, and a live countdown. The next solar eclipse at your own location is free: its times, what you will see there, and a reminder.

GO DEEPER
• Telescope Catalog: 13,000 NGC, IC, and Messier objects, searchable and shown on your sky.
• Exoplanets: nearly every known world, in its actual position on the sky, with sizes, temperatures, and orbits.
• The Solar System up close: planets and major moons in NASA probe imagery, in visible light, ultraviolet, infrared, and radar. Rotate them to any angle.
• Hubble and James Webb Space Telescope pictures, on the pages of the objects they show.

FOR EVERYONE
• Kid Mode rewrites the whole tour for explorers aged five to seven.
• Birthday Sky: a shareable card of the sky on the night you were born.
• Smart search: ask for exactly what you want.
• Fifteen languages: English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Korean, Simplified and Traditional Chinese, Arabic, Hindi, Vietnamese, and Icelandic. Dates in your own calendar.
• VoiceOver and Dynamic Type throughout.

ONE PURCHASE, NO SUBSCRIPTION
Cosmic Expansion adds the planner, the catalog, the eclipses, the exoplanets, the galaxies, the full year of the calendar, and the whole course in a single purchase that is yours forever.

Take the Stellar Tour!

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Stellar Tour van Aaron Day is een app voor iPhone, iPad en iPod touch met iOS versie 26.0 of hoger, geschikt bevonden voor gebruikers met leeftijden vanaf 4 jaar.

Informatie voor Stellar Touris het laatst vergeleken op 5 Oct om 12:28.