At-a-glance/The Flood

*At-a-glance/The Flood/Elohist
*At-a-glance/The Flood/Yahwist/A
*At-a-glance/The Flood/Both/A
*At-a-glance/The Flood/Yahwist/B
*At-a-glance/The Flood/Both/B
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== Biblical chronology ==
Each stripe is 30 biblical years.
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== Geological explanation of the flood ==
:See also: User:Just granpa/Earth Layers
Day 1: The core of the Sun (now a brown dwarf) collapses and Neptune, Ouranos, Satyrn, & Jupiter spin off the Suns equator.
Day 2: Super heated core material erupts onto the suns surface forming a pancake dome and boils off all volatiles.
Day 3: Earth, Mars, Venus, & Mercury spin off the suns equator.
Day 4: Four moons spin off the Earths equator.
3 billion years ago Theia's decaying orbit reached the Roche limit and over the next 1 billion years Theia deposited all of its mass onto a ring of mountains circling the earth's equator.
First the ices (water, carbon dioxide, & ammonia) on its surface were deposited. This created Earths ocean (and atmosphere). Since the earth at that time had no continents the water completely flooded its surface.
Then Theia's mantle of granodiorite was deposited. The granodiorite metamorphosed into the various rocks of the continental crust.
Then 2.4 billion years ago the dunite was deposited. This created the banded iron formations. The dunite sank to the bottom of the mantle.
During all this time Earth would have had a ring like Saturn. From the ground this ring would have looked very much like a rainbow.
If Noah was born 3 billion years ago then Adam was born 4.5 billion years ago.
== Lunar recession ==
There is geological and paleontological evidence that Earth rotated faster and that the Moon was closer to Earth in the remote past. Tidal rhythmites are alternating layers of sand and silt laid down offshore from estuaries having great tidal flows. Daily, monthly and seasonal cycles can be found in the deposits. This geological record indicates that 620 million years ago there were 400±7 solar days/year.Wikipedia:Tidal acceleration#Historical evidence
The current rate of lunar recession which has been measured very accurately by mirror's placed on the moon indicates that there should have been 426 days in a year 620 million years ago. The usual explanation for the discrepancy is that the moon was receding more slowly in the past. This makes no sense. If anything the moon should have been receding faster in the past.
However, the current rate of lunar recession is consistent with the observation that there were 400 days in a year 620 million years ago if the Earth was closer to the Sun (because the year would be shorter). Its orbital radius would have to have been 0.9589 au at that time.
Recession rate of Earth = 6.85 * 10^-11 au/yr (10.25 m/yr).
Assuming that rate did not change, that puts the Earth at 1-(1- 0.9589) *7.5 = 0.69 au at 4.5 billion years ago 
﻿If the rate of recession is inversely proportional to the cube of the orbital radius then that puts the Earth just inside the sun 4.5 billion years ago﻿.
Year lengthens by 3.24 seconds per 1000 years﻿
For simplicity's sake let's just say Earth has one unit of angular momentum.
Our moon currently has 5 units of angular momentum.
Therefore, the total angular momentum of the earth-moon system is six units.
A moon at the roche limit orbits in 6.7 hours. 
Therefore, if Earth day 1.9 billion years ago (at the point that Theia had completely deposited all it's mass onto the Earth) was 6.7 hours then the Earth had 3.6 units of angular momentum and our current Moon had 2.3 units of angular momentum﻿. (Earth couldn't have been spinning any faster because if it had then Theia would have receded away)
That means our moon had half as much angular momentum as it does now and its orbit was therefore 4 times closer to the earth﻿ 
:384000/4 = 96000 km﻿ 
Its orbital period was 0.25^1.5 * 28 days = 3.5 days
Which puts it well outside the orbit of Theia which was orbiting at the Roche limit which is 18000 km.
The current rate of lunar recession puts the Moon 72,000 km closer to Earth 1.9 billion years ago. 3.8 cm * 1.9*10^9﻿
In fact it was 4 * 72,000 km closer﻿. This suggests that rate of tidal recession follows an inverse Cube law﻿
== Notes ==
Category:At-a-glance
Category:Flood myths