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The Smithsonian is conducting a full refurbishment of the original 11 foot long Star Ship Enterprise model from the original series.

They are going whole hog on this, using multi-spectral and chemical analysis to determine original colors, as well as observing colors that were preserved in between pieces of the assembly:

The final painting of the Enterprise model will begin in April, using newly discovered reference photos from our appeal to Trek fans in the fall. The team will also build new nacelle domes with LED lights to mimic the spinning effect seen on television. For reference, they will first build a 1:1 mock-up of the original mechanism, which utilized mirrors, motors, nails, and Christmas lights. Conservator Ariel O’Connor explains, “Although the original nacelle dome lights did not survive, we can replicate the original effect in a way that is safe to install on the model. The LED lights can be programmed to match the original VFX footage while eliminating the burnt-out bulbs, extreme heat, and motor problems that troubled the original lights. It is a wonderful solution to re-light the nacelles while ensuring the model’s safety and longevity.”

The Enterprise model has been carefully separated into its individual components—saucer section; secondary hull; port and starboard nacelles and pylons; deflector dish array; hangar bay doors; and the bridge. Each section is being meticulously studied to determine its construction and condition and will be documented with visible, ultraviolet, and infrared photography. We completed X-ray photography, with help from our colleagues at the Smithsonian Zoological Park, in spring 2015.

Needless to say, once they are done, I will seriously get down to the Air and Space museum to get my geek on.

H/t Ars Technica.