Viewing the Night Sky with Linux, Part III: Stellarium and Celestia

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Parts I and II of this series covered covered the "planetarium" programs KStars and XEphem. They can answer pretty much any question about what's where and when in the night sky. But they don't really give you the feeling of being there like a couple of newer entries on the Linux astronomy scene: Stellarium and Celestia.

Stellarium and Celestia use hardware graphics acceleration. That means that if you're on an older, slower machine or one with a dodgy graphics card, you probably won't have much luck. On my main desktop machine, I couldn't get far before the system locked up and I had to reboot, but that seems to be an Ubuntu 8.04 bug -- it didn't happen under Ubuntu 7.04 or Fedora 9. If your computer is up to it, these programs are well worth trying. For one thing, they're gorgeous!

Stellarium

Stellarium is a planetarium program, like KStars and XEphem. At first startup, it shows you the sky as it looks from Paris, France (Figure 1). If you live somewhere other than Paris, you'll probably want to click the Configuration button, set your location and click Save Location before continuing.

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