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Press kit and how to link to GalaxySim 3D
Writing about GalaxySim 3D, teaching with it or listing it? Everything you need is below. It is free to use and link to, with no sign-up needed to look around.
What it is (copy and paste)
GalaxySim 3D is a free, real-scale 3D model of the solar system and the Milky Way that runs in a web browser. It uses NASA JPL Horizons data for planet, moon and spacecraft positions, includes 4,000 asteroids and nearby stars, and lets people change a planet's mass to watch full N-body gravity play out.
Key facts
- Free; guests can explore, a free account (Google or email link) keeps your place.
- Runs in any modern browser with WebGL 2, on phones, tablets and computers.
- Data: NASA JPL Horizons and the JPL Small-Body Database; planet textures from NASA, ESA and Solar System Scope (CC BY 4.0).
- Built by Karan Gandhi as an independent, not-for-profit project. See About.
How to cite
Karan Gandhi. (2026). GalaxySim 3D [Web application]. https://galaxysim.pages.dev/
Link to us
Text link:
<a href="https://galaxysim.pages.dev/?utm_source=embed&utm_medium=backlink&utm_campaign=text-link">GalaxySim 3D, a real-scale 3D solar system simulator</a>Image link:
<a href="https://galaxysim.pages.dev/?utm_source=embed&utm_medium=backlink&utm_campaign=badge"><img src="https://galaxysim.pages.dev/og.jpg" width="300" alt="GalaxySim 3D: real-scale 3D solar system simulator"></a>Link straight to a world: https://galaxysim.pages.dev/app/?target=mars (also jupiter, saturn, the-moon, voyager1 and more). Pages worth linking: live planet positions, planets visible tonight, school project guide, scale wiki.
Images
Contact
bolopaneer@gmail.com. Corrections to any fact on the site are welcome.