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AI research assistant automating literature reviews, paper discovery, and structured data extraction from PDFs.
Stellarium Web is an interactive web-based 3D planetarium that renders a photorealistic view of the night sky in your browser. Based on the celebrated open-source Stellarium desktop software, it calculates celestial positions for any location and time, displaying stars, constellations, nebulae, and passing satellites with astronomical precision.
Core Planetarium Features
- Real-Time Sky Simulation: Accurate sky rendering with atmosphere, twilight, horizon landscapes, and light pollution adjustments.
- Exhaustive Sky Catalogs: Contains catalogs of over 60,000 stars, Messier deep-sky objects, galaxies, and planetary positions.
- Multicultural Constellations: Explore celestial star lore and constellation lines across Western, Chinese, Arabic, Maya, and Polynesian traditions.
- Live Satellite Tracking: Predict and visualize flyovers of the International Space Station (ISS), Hubble Space Telescope, and Starlink constellations.
Frequently Asked Questions
How does Stellarium know what the sky looks like from my house?
It uses your browser’s geolocation (or custom latitude/longitude inputs) and local system clock to compute exact celestial coordinate angles.
Can I use Stellarium Web for telescope stargazing?
Yes. It includes night-mode (red screen) to preserve dark adaptation while stargazing in the field with a smartphone or laptop.
Is Stellarium Web free to use?
Yes. Stellarium Web is completely free to access in modern browsers, developed by the Stellarium open-source community.
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