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' Assuming the correctness or the acceptability of the thesis put forward herein, we hereby make the following
conclusion that if one assumes the Earth to be an isolated system (of which it is not), the current secular change
in the LOD deduced by Stephenson and Morrison of 17.00 5.00 μs/yr ± , then, the Earth may
very well be expanding radially on a global scale at a steady rate of at least +0.60 mm/yr.
'"The decay of five elements (O, Fe, Si, Mg and S) as exemplified by their ionization properties is responsible for the Earth accumulating
sufficient mass to double its radius at least twice in the past billion years [and was]
responsible for the oxygen in water doubling seven times in mass and volume for a one hundred and twenty-four fold increase
to incrementally fill the growing ocean beds created during the crustal expansions of (the) past 180 to 200 million years."
originally posted by: freedomSlave Maybe why dinosaurs were so big was there was less gravity hundreds of millions years ago when they started to roam the earth
The Moon is also pulling back on the tidal bulge of the Earth, slowing the Earth's rotation. Tidal friction, caused by the movement of the tidal bulge around the Earth, takes energy out of the Earth and puts it into the Moon's orbit, making the Moon's orbit bigger (but, a bit pardoxically, the Moon actually moves slower!).
The Earth's rotation is slowing down because of this. One hundred years from now, the day will be 2 milliseconds longer than it is now.
But for the Earth to be overall bigger...where did the extra mass come from?
originally posted by: watchitburn
a reply to: intergalactic fire
It's interesting, but I don't think it adds up.
If the Earth were expanding by a constant rate of .6 mm a year, over 4.5 billion years that would come out to a bit less than 1,700 miles. Meaning that the Earth would have started out at around 6,200 mile in diameter. Bringing us to it's current size of 7,918 miles.
Using these numbers it does not fit with the expanding earth theory referenced in your sources.
From a qualitative argument, it is shown that the observed Late Palaeozoic and Early Mesozoic palaeomagnetic data are not what should be expected from an expanded Earth. We conclude that it appears unlikely that the Earth has expanded significantly since the Early Mesozoic.
The result? The scientists estimated the average change in Earth's radius to be 0.004 inches (0.1 millimeters) per year, or about the thickness of a human hair, a rate considered statistically insignificant.
originally posted by: Phage
Golden Nyambuya (whoever he is) does not seem to consider the fact that the Moon is tidally locked with the Earth.
Besides causing the Moon's rate of rotation to match its orbital period (meaning we only see one face of it), this also causes the Earth's rotation to slow and the Moon move away.
No expansion required. Tidal locking accounts for change in the length of a day quite well.
The Moon is also pulling back on the tidal bulge of the Earth, slowing the Earth's rotation. Tidal friction, caused by the movement of the tidal bulge around the Earth, takes energy out of the Earth and puts it into the Moon's orbit, making the Moon's orbit bigger (but, a bit pardoxically, the Moon actually moves slower!).
The Earth's rotation is slowing down because of this. One hundred years from now, the day will be 2 milliseconds longer than it is now.
curious.astro.cornell.edu...
2 milliseconds in 100 years is 20 microseconds per year.
From both quantitative and qualitative arguments, significant Earth expansion since the Late Palaeozoic is unlikely. If expansion of the order required by Carey’s model has occurred at some time during the Earth’s history, then from palaeomagnetic data it would appear to have occurred before Late Palaeozoic times.
Since the moon and earth are tidally locked, it stands to reason that as the earth expands, surface rotation *will* slow down, which in turn will transfer energy to the moon, which will also move the moon outward and slow its orbit down because the positive energy transfer away from center to the moon's orbit requires an equivalent change in momentum, slowing down.