Virtual Planetarium is a sky exploration and learning app for everyone, from casual stargazers to astronomy enthusiasts. Built on real astronomical data and algorithms, it puts the night sky in the palm of your hand. Check the sky anytime, explore constellations and planets, simulate rare celestial events, and learn astronomy along the way. Whether you are a student, an amateur observer, or simply someone who loves the stars, Virtual Planetarium offers an immersive viewing experience.

Highlights

1. Realistic sky simulation
Restore the sky for any date, time, and location with built-in celestial data.
Choose any place and time to simulate the night sky worldwide.
Fast-forward or rewind time to watch planetary motion and changing sky events.
AR mode overlays the sky on the real world, making objects easier to identify.

2. Stars and constellation identification
Covers all 88 constellations and thousands of stars with detailed information.
Includes 318 traditional Chinese asterisms, showing the wisdom of ancient sky maps.
Shows names, brightness, coordinates, and more for both observing and learning.
Tracks more than 10,000 artificial satellites in real time.
Identify planets, stars, satellites, and deep-sky objects in the current sky with one tap.

3. Celestial events
Dynamically simulate solar eclipses, lunar eclipses, planetary conjunctions, meteor showers, and more.
Preview upcoming events or revisit spectacular events from history.
Slow motion and pause help you understand how these phenomena work.

4. Astronomy knowledge
Detailed constellation guides covering mythology, history, and science.
Physical data, orbits, and observing conditions for planets and moons.
Not just an observing tool, but a pocket encyclopedia of the sky.

5. Flexible observing modes
Switch between equatorial and horizontal coordinates.
Night mode reduces glare for real outdoor observing.
Pinch, zoom, and adjust the field of view to study details.

6. Immersive interaction
A clear, smooth interface: drag and zoom to explore the universe freely.
Use live location so the sky on your screen matches what you see when you look up.
Immersive visuals make it feel like standing inside a real planetarium.

7. Personal settings
Customize location, time, and viewpoint for your own virtual sky.
Save and share observing screenshots with friends.
Useful for both learning and entertainment, from beginner to advanced.

8. Learning and education
Helps students learn astronomy and works well for classroom demos.
Clear images and animations make complex events easier to understand.
A practical teaching tool for teachers and science outreach.

Who it is for
Astronomy enthusiasts: plan observing sessions and preview events in advance.
Students and teachers: interactive support for learning and teaching.
Everyone: enjoy the night sky, constellation stories, and the wonder of the universe.
Outreach events: demonstrate celestial events in exhibitions and talks.

Why Virtual Planetarium
Accurate data and reliable algorithms for scientifically sound simulations.
A complete toolkit from observing to learning.
A friendly interface that is easy for all ages.