Stellarium/stellarium

Features

• Astronomical Visualizers - Provides a real-time astronomical visualizer that simulates the sky as seen from any location on Earth.
• Real-Time Astronomy Simulations - Visualizes the night sky in real time to identify stars, planets, and constellations from any location on Earth.
• Spherical Projections - Projects a three-dimensional spherical model of the universe onto a two-dimensional view for the observer.
• 3D Astronomy Simulators - Provides a three-dimensional visualization of the universe showing how stars and planets appear through optical instruments.
• Real-Time Rendering Engines - Uses a real-time rendering engine to draw three-dimensional astronomical objects and atmospheric effects.
• Planetarium Software - Implements a real-time simulation of the night sky and atmospheric conditions using OpenGL.
• Celestial Catalog Mappings - Loads large astronomical datasets from external files to populate the virtual sky with mapped stellar coordinates.
• Celestial Coordinate Transformations - Converts celestial coordinates into local horizon views based on the observer's geographic position and current time.
• Cross-Platform Desktop Applications - Provides a cross-platform desktop application that maps celestial objects based on Earth location.
• Stargazing Site Simulations - Allows checking visibility and atmospheric conditions for astronomical objects at specific geographic coordinates and times.
• Telescope Observation Planning - Provides tools for finding and locating specific celestial objects to prepare for observation with binoculars or telescopes.
• Optical Instrument Simulations - Simulates the three-dimensional appearance of the universe as seen through optical instruments.
• Astronomy Education Tools - Teaches the mechanics of the universe and planetary motion through realistic 3D renderings of the sky.
• Atmospheric Scattering - Implements an atmospheric scattering model to simulate realistic sky colors and visibility changes.
• Media & Communication - Realistic sky rendering

Star history