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567 Million Year Cycle Evidence

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December 29, 2012 in Science

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567 Million Year Cycle: Original Article
[7 proto-earths + Earth = 8] Age of Earth 4.54 billion years / 8 = 567.5 million years (roughly estimated)

“From about 570 to 530 million years ago, an evolutionary burst of life forms occurred, often referred to as the “Cambrian Explosion.” This marks an important point in the history of life on earth, as most of the major lineages of animals got their starts during the Cambrian Period and have been evolving ever since.”

evolution.berkeley.edu

 
“On all of Venus there are about 1000 craters, an unusually small number. The crater statistics tell us that although the planet is 4.6 billion years old, nothing on its surface is older than roughly 0.5 billion years. Almost all of Venus’s history is a blank slate. It looks as if half a billion years ago, all of Venus’s surface was replaced.”

geology.about.com

 

“[...]the nominal age of the surface of Venus is about 600 Ma, although the uncertainty is about a factor of two. The chief difference between our estimate and earlier, somewhat younger estimates is that we find that the venusian atmosphere is less permeable to impacting bodies than supposed by earlier studies. An older surface increases the likelihood that Venus is dead.”

naca.larc.nasa.gov

 

“The mechanisms by which orbital resonance locks are maintained among Io, Europa and Ganymede are analyzed, and the effects of the dissipative tides in Jupiter and Io on their establishment and evolution are considered. According to the proposed model, initially all three satellites are in orbits far from the 2:1 commensurabilities or the three body lock. The tide raised on Io damps down the free eccentricity; only modest tidal heating occurs. Subsequently the dissipative tide raised on Jupiter by Io causes Io’s orbit to spiral outwards; Io approaches the 2:1 commensurability with Europa. Io’s forced eccentricity increases rapidly to a critical value, and thereafter the resonant interaction causes Europa’s orbit to expand at half that of Io’s orbit. A fluid core is probably formed as the result of tidal heating. Finally Europa approaches the 2:1 commensurability, angular momentum is transferred from Europa’s orbit to Ganymede’s, and a steady state is attained. On the basis of the observed three-body resonance amplitude (0.066 deg), it is concluded that three-body resonance may have formed less than 500 million years ago”

adsabs.harvard.edu

 

“It’s a surface that should have eroded much more than what we’re seeing, if the river networks have been active for a long time,” says Taylor Perron, the Cecil and Ida Green Assistant Professor of Geology at MIT. “It raises some very interesting questions about what has been happening on Titan in the last billion years.”

web.mit.edu

 

“These regularities indicate to us that supercontinents are created in a cyclic process, in which one complete cycle takes about 500 million years.”

as.wvu.edu

 

“The supercontinent cycle describes the quasi-periodic aggregation and dispersal of Earth’s continental crust. There are varying opinions as to whether the amount of continental crust is increasing, decreasing, or staying about the same, but it is agreed that the Earth’s crust is constantly being reconfigured.”

en.wikipedia.org

 

Super-Continent Evidence Link


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