Last updated on 12 May 2026
In these troubled times, gaining height can do a crazy good. With the Stellarium Software, and its incredible map of the sky you will be invited to raise your head and look at the sky to discover the millions of stars that are there.
The free and open source planetarium software continues to amaze astronomy enthusiasts and teachers around the world. With its latest version 24.3 released in 2024, Stellarium offers an even more immersive and realistic experience to explore the starry sky from your computer.
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What is Stellarium and what makes it a good choice for stargazers?
Stellarium is much more than just astronomy software. It is a real virtual observatory that turns your screen into a window into the universe. Available for free for GNU/Linux, Windows and Mac OS X, it displays a sky in 3D with striking realism, as if you were observing it with the naked eye, binoculars or the telescope.
A free planetarium software that allows amateur astronomers toexplore space and the night sky from the comfort of their computer. Its realistic graphics, extensive catalogue of stars and celestial objects and user-friendly interface make it an excellent choice for beginners and experienced astronomers alike.
A complete planetarium just a click away
From launch, Stellarium Web immerses you in the vastness of the cosmos. After setting your location, the software faithfully reproduces the sky above your head. Navigation is intuitive.
From there, the sky will look exactly like the one above your head. If you are taking Stellarium on a trip with a laptop, you will of course need to adjust your location (or enable IP search).
Then everything is done on the keyboard. Use the mouse or arrow keys to look around. Use the buttons on the previous and next page to zoom in and out. Have a good trip.
The basic catalogue includes more than 600 000 stars, but the most curious can download additional catalogues containing up to 177 million stars. Stellarium is not limited to stars: planets, satellites, asteroids and nebulae are also part of it, not to mention the artistic representations of the constellations.
This planetarium software is bluffing. Once you have tamed its basic functions, it can really be used to identify points in the sky above your head. With one click, you will see the identity card of a star or planet displayed directly from Wikipedia.
A tool to discover the space that fits all audiences
It is one of Stellarium’s strengths and can be used by all audiences. The planetarium will be of interest to the beginner as well as the expert, the curious as well as the informed amateur, the student as well as the researcher. The proposed functions and data are very rich.
The basic catalogue contains hundreds of thousands of stars, but if that is not enough, you can download additional catalogues that include more than 177 million!
Stellarium also includes images of the planets, satellites and asteroids of the Solar System, images of several nebulae and artistic representations of the constellations, including those of the famous Messier's catalogue.
The software also offers plug-ins to enrich it even more. You can also record your observations. Share them. Dizzy.
Stellarium's Latest News in 2024
Since its last update (version 24.3), Stellarium has integrated many additional improvements and features that further enrich the user experience:
- Expanded Star Catalog : More than 600 000 stars are now available in the basic catalogue, with downloadable catalogues exceeding 177 million stars.
- Deep Sky Objects : More than 80 000 deep-sky objects are included in the basic catalogue, with the possibility of downloading more than one million additional objects.
- Astronomical multiculturalism : Stellarium now offers constellations from more than 40 different celestial cultures, offering a diverse and inclusive perspective on astronomy.
- Improved 3D visualization : The 3D landscapes and the spherical projections of the panoramas offer an even more realistic visual representation of the night sky.
- Optimized User Interface : Intuitive multilingual interface, powerful zoom and improved time control facilitate navigation and use of the software.
Stellarium's main assets
Compared to other free platforms like Celestia or in the commercial field, Stellarium does not lack assets:
– Realistic simulation of the sky : Stellarium accurately describes the positions and movements of stars, planets, constellations and other celestial objects in real time. Users can observe the night sky from anywhere on Earth and at any time.
– Interactive and user-friendly interface : The software offers an intuitive and easy-to-use interface, making it accessible to beginners and experts. Users can zoom in and out, pan the sky, and access detailed information about celestial objects in just a few clicks, including a mirror option for a reverse view.
– Extensive catalogue of celestial objects : Stellarium includes an extensive database of more than 600,000 stars, as well as planets, nebulae, galaxies, etc. Users can search for specific objects or explore the sky at their own pace.
– Time control and historical data : Users can travel back in time and witness celestial events, such as eclipses or alignments of planets, in the past or future. Stellarium also provides information on upcoming astronomical events.
– Customizable settings : Users can personalise their experience by adjusting various parameters, such as the level of light pollution, the atmosphere and the landscape. Stellarium also supports multiple languages and offers different cultures of the sky.
– Telescope control : Stellarium can be connected to a telescope, allowing users to control and navigate their telescope directly from the software. This function improves the observation experience and facilitates the location of specific objects.
Why is Stellarium Ideal for Education?
1. A Powerful Pedagogical Tool
Stellarium will allow you to:
- Visualize the celestial elements : Planets, stars, constellations and deep sky objects can be explored in detail.
- Simulate astronomical events : Eclipse, meteor showers, and other phenomena can be reproduced for better understanding.
- Create interactive lessons : Thanks to the ability to zoom and navigate freely in the sky, teachers can create dynamic and spectacular … presentations.
2. Accessibility and Flexibility
- Free and Open-Source : Accessible to all at no cost, making it perfect for schools with limited budgets.
- Multi-Platform Compatibility : Works on Windows, macOS, and Linux, ensuring broad compatibility with devices used in classrooms.
- Multilingual Support : Available in several languages, making it easier to use.
3. Resources and Community
Stellarium has a large community of users and developers who share scripts, custom landscapes and other educational resources. In addition, many documentation and guides are available to help teachers get the most out of the software.
A planetarium for your computer, with software, a site and mobile applications
Stellarium has just released a version 1.0 that is completely free and available for download for all types of computers and operating systems, including MacOS. You can also view a web version of Stellarium via a simple browser. Everything is free and without any advertising. Think about donating to the developer team, they deserve it.
Stellarium is an essential tool for all astronomy enthusiasts, whether amateurs or experts, on all platforms available and updated regularly.
Stellarium on mobile: the sky in your pocket
The Stellarium adventure does not stop at your computer. Mobile apps for iOS and Android allow you to explore the sky in real time, wherever you are. Thanks to augmented reality, simply point your smartphone towards the sky to instantly identify stars, planets and constellations.
Is Stellarium free and how do I get it?
Stellarium is an open source planetarium software that can be downloaded for free from its official website. It is compatible with Windows, Mac and Linux operating systems. Once you have downloaded the program, you just need to install it and you will be ready to explore the universe.
Open source project, it also means that its source code is freely available and can be modified by users. The software benefits from a dedicated community of developers and astronomers who contribute to its continuous improvement.
Free, powerful and constantly evolving, it offers everyone the opportunity to explore the wonders of the starry sky. Whether you are a teacher, an amateur astronomer or simply curious, Stellarium invites you on an unforgettable journey. So, ready to look up to the stars?
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Great site, thank you. I took qq minutes to discover, and I downloaded!
I just discovered beautiful site. This is very interesting. Thanks to the new technologies to be able to carry out this kind of rather extraordinary experience.
I tried this software with my grandchildren last summer in the countryside and in the southern hemisphere. They were amazed! a big thank you @fidelnavamuel!