Search targets, coordinates, or observations with data
Access data products from the Space Observatory. Search by target name, sky coordinates, or observation identifier. View processed scientific data and metadata. Download and analyze observational results.
by European Space Agency★ 5.01 ratingsEducationFreeData updated 2026-09-08
Explore the night sky by identifying celestial objects, tracking astronomical events, and locating specific space bodies. Adjust constellation visuals, set reminders for celestial events, and customize the experience.
Access celestial objects with a comprehensive database of comets, asteroids, and solar system bodies. Plan and log observations, control telescopes, and track accurate positions. View detailed sky maps and receive real-time updates.
Explore planets, track celestial events, simulate systems
Explore the with 3D models of planets, moons, and asteroids. Rotate and zoom objects for detailed views. Learn about celestial bodies through interactive encyclopedia entries.
The app identifies and locates celestial objects by pointing to the sky. It displays the sky view and information at the correct orientation when held at any angle.
Explore celestial objects with detailed star maps and constellation guides. View 5 million stars and 5,000 years of eclipses. Track planets, moons, and Messier objects. Receive on-device recommendations based on location and time.
Build and customize rockets to explore a realistically scaled universe. Navigate using real orbital mechanics and travel to distant planets and objects. Interact with Mercury, Venus, Earth, the Moon, Mars, Phobos, and Deimos.
Track flyovers of the International Space Station, Tiangong, and Hubble Space Telescope with 3D visualization and live positioning. Predict up to 30 days ahead with location-based pass times and a 0–4 star rating system for visibility.
Create and simulate a custom with realistic physics. Adjust planet sizes, positions, and orbits. Explore 3D space environments and test gravitational interactions. Save and share custom solar systems.
Plan and observe celestial events with real-time data on planets, stars, and constellations. Check weather conditions and visibility scores. Set location for accurate sky tracking. Capture and share starry night photos.
Explore the night sky with a detailed star map, identify celestial objects, and view planetary details. Control telescopes via connected devices. Access interactive astronomy guides and historical sky data.
Identify stars, planets, and constellations using real-time sky maps. Point device to locate celestial objects. View satellite passes and track planetary movements. Receive detailed information on selected objects.
Learn about the and universe through interactive animations and step-by-step lessons on topics like the Big Bang, black holes, and planetary systems. Explore the solar system with visual content and discover facts about water coverage.
Reference "Access detailed astronomical data and star maps. Plan observations and track celestial events. Control telescopes and cameras remotely. Customize UI themes and view high-resolution sky charts."