Stellarium
Stellarium Team • Customization
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Have you ever dreamed of exploring the vastness of space, touching distant galaxies and observing the planets up close? With Stellarium it’s now possible, right from your computer screen!
Stellarium is a powerful and free open source program that turns your computer into a virtual heaven. It allows you to view thousands of stars and constellations from the universe, the planets and their satellites in real time, as if you were watching through the most advanced telescope.
Immerse yourself in the depths of space. The program uses OpenGL to create the most realistic 3D image of the sky possible. You will be amazed by the detail and beauty of space objects.
In This Post
Expert Tips
Quick Start Guide
- Download and install Stellarium from the official website
- Launch the program and familiarize yourself with the interface
- Use the search function to find specific stars, planets, or constellations
- Adjust time and location settings to match your viewing conditions
Why: Understanding the basics helps you quickly navigate the software and make the most of its astronomical simulation features.
Customizing Your View
- Access the View options menu to adjust display settings
- Enable or disable constellation lines, labels, and artwork
- Modify the field of view and distortion settings
- Adjust landscape and fog settings for atmospheric effects
Why: Personalizing your view enhances the visual experience and helps you focus on specific astronomical phenomena.
Advanced Settings Tips
- Configure projection settings for different display modes
- Adjust light pollution settings for realistic city viewing
- Enable or disable satellite and asteroid tracking
- Customize keyboard shortcuts for faster navigation
Why: Advanced customization allows you to tailor the software to your specific astronomical interests and observation needs.
Download Stellarium
File size: 466 MB
OS support: Windows, macOS, Linux, Android
Windows
Download Stellarium 26.3 for Windows – Installer x64 (Exe)
Download Stellarium 26.3 for Windows – Installer ARM64 (Exe)
macOS
Download Stellarium 26.3 for macOS (Archive)
Linux
Download Stellarium 26.3 for Linux (Archive)
Download Stellarium 26.3 for Linux – Installer x64 (Appimage)
Android
Other
Important Features
- Realistic 3D Sky Simulation: Uses OpenGL to render stunningly realistic 3D representations of the night sky, complete with thousands of stars, constellations, and deep space objects like nebulae and galaxies.
- Planetary and Celestial Navigation: Explore planets, moons, asteroids, and comets with detailed orbital information. Get as close as possible to celestial bodies to discover unexpected views and phenomena.
- Atmospheric and Time Simulation: Simulates realistic atmospheric effects including sunsets, sunrises, and planetary movements. Control time and date to observe how the sky changes throughout history or into the future.
- Cross-Platform Compatibility: Available for Windows, macOS, and Linux operating systems, ensuring broad accessibility for astronomers and educators across different platforms.
- Comprehensive Object Information: Each celestial object is accompanied by detailed information and descriptions. Beautiful 3D graphics enhance the educational experience with informative pop-up windows.
Technical Specifications
| Software Name | Stellarium |
|---|---|
| Version | 26.3 |
| License | Open Source |
| File Size | 466 MB |
| OS Support | Windows, macOS, Linux, Android |
| Language | Multilingual |
| Developer | Stellarium Team |
| Homepage | https://stellarium.org |
| Changelogurl | https://github.com/Stellarium/stellarium/releases |
| Last Updated | September 29, 2026 |
New in This Version
- Added Potawatomi sky culture
- Added new plugin: Object visibility
- Many improvements in plugins
- Many improvements in Core and GUI
- Many updates in sky cultures
- Improvements in the scripting engine
Setup Instructions
Installation Steps
- Click the download button above to get the installer for your operating system
- Locate the downloaded file and double-click to run the installer
- Follow the on-screen installation wizard to complete setup
Compatibility: Compatible with Windows 7 and later versions
Common Issues & Fixes
- Issue: Installation fails → Solution: Run as administrator
Questions & Answers
Is Stellarium free?
Yes, stellarium is completely free and open source software licensed under the GPL.
What operating systems does Stellarium support?
stellarium supports Windows, macOS, and Linux operating systems.
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