celestia ☆

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Description:
Space simulation for exploring the universe in three dimensions

Type: Cask | Latest Version: 1.6.4@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Multimedia

Tags: astronomy simulation 3d-visualization education space

Install: brew install --cask celestia

About:
Celestia is a real-time 3D space visualization program that allows users to explore the universe in unprecedented detail. It provides an extensive library of celestial objects, including stars, galaxies, and planets, based on scientific data. Its core value is enabling both educational and recreational exploration of space from any vantage point.

Key Features:

Extensive catalog of stars, planets, and deep-sky objects
Support for user-made add-ons and textures
Real-time orbital mechanics and travel capabilities
Cross-platform availability (macOS, Windows, Linux)

Use Cases:

Educational tool for learning astronomy and celestial mechanics
Creating visualizations or artistic renders of space scenes
Simulating space flight and interstellar travel

Alternatives:

Stellarium – Focuses on photorealistic sky rendering from Earth's surface, whereas Celestia focuses on spaceflight and viewing from anywhere in the universe.
SpaceEngine – Uses procedural generation for uncharted areas, while Celestia relies primarily on existing scientific datasets.

Version History

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