Cosmic Atlas

Your universe, in your pocket.

A live sky map, real space photos and Cosmo, your on-device space guide.

Platform: Android 12 and newer
Price: Free (with ads)
Languages: English
Account: Not needed

Point your phone at the sky and know what you're looking at. Cosmic Atlas is a live sky map, a guide to the Solar System and deep space, and a pocket space companion in one app. See which planets are up tonight, never miss an eclipse or meteor shower, explore thousands of stars and worlds with real photos, and ask Cosmo anything about space in your own words. It's free, needs no account, and your location and questions stay on your phone.

Live sky map

Point your phone at the sky: stars, planets, constellations and the Moon line up with the real sky.
Search any planet, bright star, constellation or Messier object and follow the arrow to it.
Time travel to see the sky at any hour, and red night mode to keep your eyes adjusted to the dark.
Tonight's summary on the home screen: Moon phase, which planets are up and when it gets dark.

Cosmo, your space guide

Ask anything about space in your own words: "Can I see Saturn tonight?", "How far is the Moon?".
Answers from verified data and live calculations, private and on your phone.
Free Cosmo Pro upgrade for longer, more natural answers on supported phones.
A quick space trivia game.

What's happening in space

Sky events: eclipses, meteor showers, supermoons, planet highlights and seasons, with reminders.
ISS tracker: the station's live position and when you can see it pass over you.
Space weather: solar activity and your chances of seeing the northern or southern lights.
Asteroid watch: asteroids passing close to Earth this week.
Earth today: our planet photographed from a million miles away.

Explore the universe

Every planet with live positions, key numbers, your weight there and a 3D globe you can spin.
Galaxies, nebulae, star clusters, black holes and pulsars, with real photos.
More than 6,000 known exoplanets, searchable and sortable.
Zoomable maps of the Moon and Mars.

NASA images

Search NASA's image archive: galaxies, nebulae, planets, missions and astronauts.
Picture of the day: a new astronomy photo every day, with the story behind it.
Save any photo in full HD resolution to your phone.
Set it as your wallpaper, with your phone's own preview so you can adjust it first.

Learn and play

Short illustrated lessons from the Moon to the edge of the universe, each with a quiz.
A new weekly quiz, XP levels, daily streaks and dozens of badges.
Simulation lab: the life of a star, asteroid impacts and black holes.
Space calculators: light travel time in real time, trips to the stars, your age on other planets.
Relax: slow breathing with a warp-speed starfield.

Private and free

No account needed. Location is used only on your phone.
Most features work offline.
Free, supported by ads. Watch a short video any time for up to 24 hours without ads.

Get it on Google Play