Celestia
Celestia is a computer program used to explore the space.
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License: Freeware
Developer's website: Celestia
Download for free Celestia - the latest version!
Celestia is a space telescope in 3 dimensions.
With Celestia you can explore space, the program has a three dimensional map of the universe with thousands of stars, planets, moons and so on.
With Celestia can travel virtual from a planet to another or from a star to another.
Celestia has zoom and many other interesting tools for exploring the space.
Celestia - system requirements
Celestia works with Windows operating systems - Windows 2000 / Windows XP / Windows Vista / Windows 7 / Windows 8 / Windows 8.1 / Windows 10 - Mac and Linux, works very well with Windows 7 and Windows Vista.
* For use Celestia need a minimum:
Processor: 1 GHz Pentium|| Memory: 128 Mb of RAM|| Free disk space: 500 MB|| Broadband Internet||
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Processor: 2,4 GHz Pentium|| Memory: 1 Gb of RAM|| Free disk space: 2 GB|| Broadband Internet||
Celestia - main features
The main features of Celestia are:
- Exploration of the space;
- See planets, stars, moons, asteroids, etc;
- Map in three dimensional of the space;
- Simple and intuitive interface;
- Celestia is an application easy to use;
- Manual Update;
- Support install/uninstall, etc;
Celestia - other features
Celestia is a program easy to use and install, the program Celestia does not consume many system resources and does not occupy much space on your hard disk.
Celestia has a simple and intuitive interface on which any person can use the program without any problem.
Celestia is a very good application of category software used to explore space.
The download link will take you to the official website to download of the author.
To download for free Celestia go to the download page by clicking on the button below:
Alternatives to the Celestia app:
Stellarium
a computer program used to study the sky.
To add an object orbiting around a star to Celestia, you have to create a text file with the filetype of .SSC in Celestia'sextras directory, or in a folder within extras. Celestia scans the directories that arein extras and then the SSC files in them in alphabeticalorder, adding them to its internal list of things to display as itfinds them. Objects defined in AAA.SSC can be used byobjects defined in BBB.SSC, but objects in BBB.SSC cannot be referenced in AAA.SSC.One could, for example, define planets in AAA.SSCand then define their moons in BBB.SSC.
An .SSC file is used to describe one or more objects and their orbits.hyakutake.ssc is a simple example.
Ulrich Dickmann and Bob Hedgewood have written a PDF documentdescribing SSC files. It is available in both English and German athttp://www.celestiamotherlode.net/catalog/documentation.html
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Thomas Guilpain has provided a description of most of the declarationsyou can use in a .SSC file on hisWeb site.
For objects that have been observed by astronomers, making the orbital entries usually is just a matter of cutting and pasting the right numbers. Often you can get orbital parameters for the object you're describing from several differentWeb sites. Google does a good job of locating them. You'll find that the parameters they providefor a particular object differto a greater or lesser extent. This is because of limitations in the original measurements or because the object'sorbit has changed with time due to gravitational or other effects.
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JPL'sHorizons Ephemeris System athttp://ssd.jpl.nasa.gov/horizons.htmlis a good centralized resource for orbital parameters of objects in our Solar System, but it probably won't have the most recent discoveries.
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You may need to do a little studying to understand what the various orbital parameters mean and why they're necessary. The brief tablein 'Parameters Describing Elliptical Orbits' may help. 'How to transform orbital elementsinto Celestia's SSC format' describes a cookbookapproach to converting comet and asteroid orbital parameters from IAUformat into Celestia format.Textbooks have been written aboutastrodynamics and celestial mechanics, which are available in the usualways: visit your local bookstores and libraries, as well as Amazon. There also are some Web pages that can help you get started. Some of both are listed on the main page.