Astronomy
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Celestia
Celestia
Open Source Planetarium Tool
Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects. Celestia allows users to travel through an extensive universe, modeled after reality, at any speed, in any direction and at any time in history. Celestia displays and interacts with objects ranging in scale from small spacecraft to entire galaxies in three dimensions using OpenGL, from perspectives which would not be possible from a classic planetarium or other ground-based display.
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Stellarium
Stellarium
open source planetarium
Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
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It is being used in planetarium projectors. Just set your coordinates and go. Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc. -
Gpredict
Gpredict
Open Source Astronomy Software
Gpredict is a real-time satellite tracking and orbit prediction application. Gpredict can track an unlimited number of satellites and display their position and other data in lists, tables, maps, and polar plots (radar view). Gpredict can also predict the time of future passes for a satellite, and provide you with detailed information about each pass.
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ChronosXP
ChronosXP
Open Source Astronomy Program
ChronosXP is a planetary hours astrology program for Windows. It runs from the system tray where it displays a glyph corresponding to the current planetary hour. Planetary hours/days can also be viewed for any given time or location.
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Maitreya
Maitreya
Open Source Astronomy Tool
Free software for western and Vedic astrology (jyotish). Supports classical Vedic astrology, KP system and parts of Jaimini system. Western part includes Uranian astrology.
Platforms: Win32, MacOS, Linux and UNIX. Learn More...