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Reavra.net is a pure front-end interactive solar system physics simulation tool. The entire project is developed based on native HTML5, CSS and JavaScript, and does not rely on any third-party frameworks or libraries, while still delivering accurate celestial motion simulation.
This tool integrates authoritative orbital data from the NASA/JPL Horizons system. It can simulate real-time orbital motion of the 8 major planets, Pluto, 17 moons, and 6 comets, and also restores the authentic historical flight trajectories of 5 spacecraft. It supports switching between 2D and 3D observation perspectives, allows freely adjusting simulation speed, zooming the view, clicking a celestial body to track the target and check its orbital data. All rendering is generated programmatically via Canvas 2D and WebGL.
The biggest advantages of this tool are its lightweight nature and professional performance: no installation or download required, it works right after opening the webpage, the physical accuracy of celestial motion meets professional-grade requirements, and it is completely free with no ads at all. The downside is that its functionality is relatively limited — it only provides simulation, has no supporting popular science content, and does not support a Chinese interface, which makes it not very user-friendly for beginners.
Currently, this website can be accessed directly from within China, it loads quickly and runs smoothly, making it suitable for astronomy enthusiasts and astronomy educators to use online.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on reavra.net official site.
reavra.net is an overseas Online Tools provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach reavra.net directly.