[sac-forum] Astronomy Software: Celestia

This is nice piece of software.  The source code is available too.  I've
run it on my 300 MHz laptop, it works but it's very jumpy in the display.
On 1333 MHz machine it is much smoother (and this was without hardware 3D
acceleration support on the GeForce 2 graphics card and Seti@Home
running).

    http://ennui.shatters.net/celestia/

From the web page:

    Celestia is a free real-time space simulation that lets you experience
    our universe in three dimensions.  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 travel 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.

        -Paul

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