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CELESTIA

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CELESTIA — REAL-TIME 3D VISUALIZATION OF SPACE

The free space simulation that lets you explore our universe in three
dimensions.

Celestia runs on Windows, Linux, macOS, iOS and Android.

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Unlike most planetarium software, Celestia doesn't confine you to the surface of
the Earth. You can travel throughout the solar system, to any of over 100,000
stars, or even beyond the galaxy.

All movement in Celestia is seamless. The exponential zoom feature lets you
explore space across a huge range of scales, from galaxy clusters down to
spacecraft only a few meters across. A 'point-and-goto' interface makes it
simple to navigate through the universe to the object you want to visit.

Celestia is expandable. Celestia comes with a large catalog of stars, galaxies,
planets, moons, asteroids, comets, and spacecraft. If that's not enough, you can
download dozens of easy to install add-ons with more objects.

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3D SPACE SIMULATOR

Celestia lets you explore our universe in three dimensions.

Celestia simulates many different types of celestial objects. From planets and
moons to star clusters and galaxies, you can visit every object in the
expandable database and view it from any point in space and time. The position
and movement of solar system objects is calculated accurately in real time at
any rate desired.

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INTERACTIVE PLANETARIUM

Celestia serves as a planetarium – for an observer on any celestial object.

You can easily navigate to any world and land on its surface. When used as a
planetarium, Celestia shows accurate positions of solar system objects in the
sky. You can switch labels and other supporting features on and off with
hotkeys, or zoom in and out on an object of interest, for example Jupiter’s
system of moons.

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EXPANDABLE CONTENT

Customize Celestia according to your needs.

Celestia’s catalogues can be easily expanded. There are many different add-ons
available containing new objects like comets or stars, high-resolution textures
of Earth and other well mapped solar system bodies, as well as 3D models for
asteroids and spacecraft on precise trajectories. Even fictional objects from
well-known sci-fi franchises can be found.

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CREATE YOUR OWN WORLDS

Celestia allows you to add your own content.

If you don’t find a particular celestial object in the catalogues, you can
simply create it yourself. Construct whole planetary systems, nebulae, galaxies
or fictional objects. Celestia provides a unique opportunity to interactively
demonstrate your creations.

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OTHER CELESTIA FEATURES

These are just some of the many features of Celestia


VIRTUAL TEXTURES

Virtual Textures can be used to display extremely high-resolution textures or
close-up features on planetary surfaces. Celestia only loads the tiles it needs
to display, increasing performance.


AUDIO PLAYING

Play background music in CEL/CELX scripts in order to achieve greater effect.
Available only for Celestia 1.7.0.


TRAJECTORIES

Celestia supports different types of trajectory data. Sampled Orbits for example
can be used for spacecraft paths, or you can use NASA’s SPICE kernels for
various solar system objects.

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