If you live in the Denver area, you should probably go check this out...

Aug 10, 2001
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The new Gates Planetarium in the Denver Museum of Nature & Science opens impressively today by taking visitors on an immersive solar system voyage featuring the highest-resolution graphics ever presented in a digital planetarium. Powered by innovative SGI® visualization technologies, the planetarium lets the audience fly through outer space to experience awe-inspiring close-up views of some of the most remarkable objects in the universe.

The graphics data for the planetarium's opening show, Gates Planetarium: A Cosmic Journey, is drawn from the Cosmic Atlas, a highly sophisticated database of the cosmos created by the museum. The database includes billions of stars and all the planets, moons, rings, comets, asteroids and even man-made objects in the solar system, which total more than 250,000. The museum spent three years developing its database and presentation software.

The presentation is driven by a 30-processor SGI® Onyx® 3800 visualization system with 11 InfiniteReality4TM graphics subsystems, the largest number of such pipes ever used for any visualization system.

...The Gates is the first planetarium to use a digital light processing (DLP) projection system. In a 125-seat theater with a 164-degree field of view and a 25-degree tilt angle, the audience sits in reclining seats to view images featuring a resolution of more than 12 million pixels, displayed on the 57-foot dome by 11 edge-blended projectors.

http://sgi.com/newsroom/press_releases/2003/june/planetarium.html