Wilbert Smith Archives Files Box 1136 11 1136-11-p028

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-26- Brightness and color changes are also noted, and while the sample is small (82 cases) NICAP found the following: Of the 25 cases showing a change in brightness, 23 of the changes occurred at the moment of a velocity change (a change of either magnitude or direction). Concerning the change of color, 23 cases showed a color change related to accelera~ tion. While the supporting data are not. conclusive, it appears that the spectral shift is to the red upon acceleration. It should also be...