G'pa Bob

A place where those who love me can see what I am thinking.

Name:
Location: Seattle, Washington

The more I prepare myself to help the women in my life be all that they can be the more I prepare myself to be all that I can be.

Thursday, September 28, 2006

Wednesday - fun - age of the earth

Well, this is not actually about the age of the earth but, instead, about the age of the earth's atmosphere.

There is a product of our interaction with the sun's rays called Carbon-14 (or C-14). It is not stable and from the information that I can find, every 5730 years 1/2 of the C-14 will disintegrate. The annual rate of decay to accomplish that is 0.00012. In other words, 0.99988 ^ 5730 is 0.502. Please note that every calculator I use gives a different result. You can find out more about
C-14 here.

Long ago I located numbers which enumerated the current ratio of creations to decays. I can not document the numbers I will use but I have used them in discussions on various forums and not had any contest. Additionally, as you will see, the numbers I will present seem validated because the results matches the current graphs. The numbers I have are 22 creations to 17 decays per second. From the above Wickipedia source one can quickly verify that the creation rate is assumed to be quite stable except for a short time in the 1960s when some were man-made.

The question that comes to mind is "At what point in the cronology of the earth were there enough C-14 atoms accumulated to support a decay ratio of 17/22?" Following is a table which shows the number of years elapsed to accumulate enough to support a decay ratio for odd values of 1/22 through 17/22. Please ignore the bottom row for the moment.


C-14 decays per second per years of accumulation
decays per secondyear of accumulation
17x
15x
13x
11x
9x
7x
5x
3x
1x
elapsed
DC/BC/AD*
389
389dc
1223
1223dc
2150
2150dc
3193
3193dc
4385
4385dc
5777
5777dc
7450
2550bc
9544
556bc
12347
2347ad

*DC = During Creation, BC = Before Christ, AD = Anno Domini

The above information would hardly be important except that it so accurately fits the creation account!!. If there are 1000 years to the Lord's day then 6 days (6000 years) of creation plus 6000 years (6 days) of human history is 12,000 years. And that is important because of a scientific rule which says one should always take the simplest explanation of an issue. If one views the table in section 4.1 (labeled "The need for calibration") of the Wikipdeia reference then it is clear that the measured years are almost exactly actual years. What I mean is that the recalibrated range from 2000 AD to 5000 BC is about 6000 years so that if the graph was extended back to 10000 BC then the y-axis would be around 12,000 actual - which quite closely fits my graph above!!

It seems apparent that life could not exist without atmosphere but I will state that for the record.

I welcome any feedback on this and will include it with permission.

Love,
G'pa Bob

Note: I used a simple interest formula in the form new_accumulation = old_accumulation - decays + 22(creations) to get the accumulation in that second at the end of each successive year.

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