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Celestia 1.6.05 | 33 MB
Celestia - free astronomy program that allows the user to view objects ranging in size from artificial satellites to complete the galaxies in three dimensions. Unlike most other virtual planetarium, a user can travel freely through the universe. Beautiful realistic graphics creates an immersive. Plug-ins allow you to add a really existing objects and objects from the fictional universe created by their fans (Star Wars, Babylon 5, the arm of Orion, and others).

Key features:
- A Guide for the program.
- Catalog of Hipparchus (120 000 stars).
- The eclipse of the sun and moon until the year 9999.
- Ability to create movies in resolutions up to 1920x1080.
- Ability to set any time in the remote past or future.
- The contours and boundaries of the constellations.
- The orbits of the planets (including the planets of other star systems), planetary satellites, asteroids, comets and spacecraft.
- Ability to display the names of all space objects: galaxies, stars, planets, satellites, asteroids and comets.
- Ability to display the names of cities, craters, observatories, valleys, continents, mountains, seas and other surface details.
- Information on the radius, distance, duration of the star of the day and an average temperature of the planets.
- Information on distance, the brightness of light relative to the sun, spectral class, outside temperature and the radius of the star.
- Control the number of visible stars.
- Three different types of images of stars.
- Scope of review may be different - from 120 degrees to 3.4 seconds of arc.
- The program window can be divided into several parts, for viewing multiple objects simultaneously.
- Correction of the stars (due to the limited speed of light) can be turned on or be ignored.
- Lots of extras. Extensive educational lessons and lesson plans using Celestia for teachers.