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    • LAW OF GNEVYSHEV AND OHL

Solar cycles are numbered from a minimum to a minimum since Cycle 1 of 1755/1766, its maximum was in 1761. And now we come to the cycle No. 24 which had its absolute minimum in late 2008 and should have its maximum at 2013. according to the law of GO (Gnevyshev-Oh) a cycle odd numbered is more active and thus has more sunspots than the preceeding even numbered cycle. This allows to have an idea of the solar activity of cycles odd.

But during these 23 cycles, the law of GO was raped by three pairs of odd-even cycles. Those are the cycle No. 4-5 so the solar cycle from 1785 to 1798 and from 1798 to 1810, No. 8-9 cycles so the solar cycle from 1834 to 1843 and then from 1843 to 1856 cycles No. 22- 23 from 1985 to 1996 and from 1996 to 2007 either because contrary to the law of the GO odd numbered cycle was not more active than the preceding cycle even.

If, as Mr Hathaway (NASA, member of the panel forecast the solar cycle) indicated the cycle No. 25 could be one of the lowest in the last century then there will be violation of the law of GO between cycles No. 24 and 25.

Graphic : Number of sunspot from cycle 1 to 23 either
maximum of solar activity from 1761 to 2000.
 n Even cycle
 n Odd cycle.

Violations of the GO law happen near a period when the orbital motion of the Sun around the center of gravity is retrograde and when the orbital angular momentum of the Sun decreases a lot and quickly. At those times there is about an alignment of Jupiter-Sun-Saturn-Uranus-Neptune therefore the barycenter is near the center of the Sun and then a reverse alignment occurs with Sun-Jupiter-Saturn-Uranus-Neptune after nearly 6 years more or less one year. So a rapid change in the distance between the Sun and the barycenter. For when Saturn-Uranus-Neptune are on the same side of the Sun the shortest orbital period of Jupiter modifies very quickly the distance between the Sun and the barycenter.

Below you have the position of the gaseous planets at two given points during solar cycles that have violated the law of GO. For the first two where the date is lower than the beginning of the numbering of solar cycles, the GO law must have been violated but we can not verify it. As we see the alignment of gaseous planets are all on the same side and between 5 and 7 years after, Jupiter is on the other side of the Sun and the other gas planets are on the opposite side of Jupiter.

Position of the planets in 1625 and 1632 is when these
Solar cycles could have violated the G-O Law.

Position of the planets in 1665 and 1672 is when these
Solar cycles could have violated the G-O Law.

Position of the planets in 1805 and 1811 is when these
Solar cycles could have violated the G-O Law.

Position of the planets in 1845 and 1851 is when these
Solar cycles could have violated the G-O Law.

Position of the planets in 1985 and 1990 is when these
Solar cycles could have violated the G-O Law.

Position of the planets in 2023 and 2030 is when these
Solar cycles could have violated the G-O Law.

This alignment of gas planets happens every 179,60 years. This is why the different orbits of the Sun and of the barycenter of the solar system reproduce sequentially with a period of 179,60 years. This must be the cause of of the Suess cycle or Vries as the minimum of the solar cycle falls when the orbital angular momentum of the Sun is changing rapidly each time when solar activity and temperatures weakened either at minimums of Oort, Wolf, Spörer, Maunder and Dalton.

In the figure below we see the variation of the distance barycenter-Sun, the speed of the sun around the barycenter, the acceleration of the sun around the barycenter, the rate of change of the orbital angular momentum of the Sun. the number of Wolf sunspot and the temperature anomalies in the northern hemisphere. Two spaced vertical dashes of approximately 43 years appear every 179 years. The gap between the two close enough vertical dashes is about 43 years or the period of conjunction of Saturn and Uranus.

Each vertical dashes represent a rapid change of the orbital angular momentum of the Sun that occurs when the center of the Sun passes very close to the barycenter, that causes fast variations in angle theta and therefore an angular velocity that can become very high. Either when Jupiter is the opposite of the other four Jovian planets from the solar system, as was the case in 1632 and 1672, 1811 and 1851, 1990 and soon in 2030.

As can be seen, the two dashes who return every 179 years or when the law of GO is not followed and therefore that the odd cycle is less active than the even cycle preceding on the contrary to what it should be. Each of these vertical dashes couples are close to a time when solar activity and temperature of the northern hemisphere are low or decrease.

Periods, 1632, 1811 and 1990 are when the orbital motion of the Sun is
retrograde. They are indicated by dotted vertical lines. Periods,
1672, 1851 and 2030 corresponding to a rapid decrease in the
orbital motion of the Sun are indicated by dashed vertical lines.
Click here to see this pattern with more graphics...
and on a larger scale (AD 800-2100)



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