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Last updated on April 19, 2014 at 21:20 EDT
Sample Frame from Planetarium Dome Scientific Visualization
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Sample Frame from Planetarium Dome Scientific Visualization

February 9, 2005
This image is a sample frame from the galaxy collision scientific visualization for the Einstein Planetarium at the Smithsonian Institution's National Air and Space Museum. It is a fisheye projection of the three-dimensional hemispherical dome into a two-dimensional flat image. The image shows part of the aftermath of a galaxy collision. The tidal forces of gravity have strongly distorted the galaxies' shapes, creating long plumes of material called 'tidal tails'.