NASA scientists now believe that the dark material is lag (residue) from the sublimation (evaporation) of water ice on the surface of Iapetus,[18][22] possibly darkened further upon exposure to sunlight. Because of its slow rotation of 79 days (equal to its revolution and the longest in the Saturnian system), Iapetus would have had the warmest daytime surface temperature and coldest nighttime temperature in the Saturnian system even before the development of the color contrast; near the equator, heat absorption by the dark material results in a daytime temperatures of 129 K in the dark Cassini Regio compared to 113 K in the bright regions.

"The landslides on Iapetus are a planet-scale experiment that we cannot do in a laboratory or observe on Earth," Kelsi Singer, a graduate student in earth and planetary sciences at Washington University in St Louis, said. "They give us examples of giant landslides in ice, instead of rock, with a different gravity, and no atmosphere. So any theory of long runout landslides on Earth must also work for avalanches on Iapetus."

Originally posted by Peruvianmonk
reply to post by A-star

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That is a good point. It must be those Hexagon based alien lifeforms.

This is not a coincedence, there has to be a connection. Also all of the above details are mentioned at Richard C. Hoagland' web site, just goggle Iapetus. Also Dr. Joseph P. Farrell mentions this similarity in his book "The Cosmic War", check out both of them.

Originally posted by Peruvianmonk
reply to post by visualmiscreant

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Nice website. A lot of background on the discovery of Iapetus ans some beautiful shots.

Good find and has been added to my favorites.