Take a trip to a planetarium, and all eyes will be focused on the screen above, lost in a little slice of the universe brought to earth. But what about the machines that create those images?Their purpose is a bizarre reversal of a large optical telescope, taking an internal view of the universe and projecting it on a dome, rather than creating a view from peering outside of one, but the aesthetic is somewhat similar. Another curious similarity is how much they look like some early satellites.
These beautiful works of art and engineering deserve consideration too. Oobject.com has a list of their picks of sixteen of the most interesting. Commencing countdown, engines on.
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