The video footage obtained by Paul Nation, (late-2006 expedition, Papua New Guinea) was analyzed by the physicist Cliff Paiva (BSM Associates, California). The mountains where Nation observed the indava lights was just a little south of where Evelyn Cheesman had observed similar strange lights decades earlier.
From page four (Whitcomb’s explanation for technical details of the Paiva report, excerpts on ropens.com site):
Casual observation of Paul Nation’s video seems to show that the lower-left light fades out while the upper-right light is still glowing brightly. Paiva’s analysis shows that the lower “target” does not completely cease glowing but continues a low-intensity emission eight seconds from the beginning of the video recording.
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Did you know that living pterosaurs are also reported in the United States? Read about it in the nonfiction book “Live Pterosaurs in America,” available on Amazon. (Your purchase shall then support these living-pterosaur investigations; thank you.)