Solar activity in the last five months is still at a record low for the last 300 years, the level for this phase of the solar cycle.Star, probably experiencing major failure cycle, similar to that observed in the late 18th century, the Dalton minimum, say Russian scientists.As noted by the Laboratory of X-ray astronomy of the Sun Lebedev Physical Institute, the average monthly Wolf numbers, determines the number of sunspots, almost three times lower than usual for maksimumva values.He added that since the beginning of 2012, the index had never even got to 70, with the peak of the previous cycle, which came na2000 year, the Wolf numbers over 170 units.However, for example, in August, the number of Wolf fell to the lowest in four months and reached 63.1. The deepest "failure" of this year occurred in February, when Wolf number was only 32.9.Dalton minimum was observed from 1784 to 1810 years, during two 11-year cycles. During these periods, the value of the Wolf numbers did not exceed 62.3. Bogachev said that at least the Dalton minimum is the only documented as regular counting sunspots began only in 1750godu the Zurich Observatory.Another minimum — Maunder minimum, observed in 1645-1715godah, recovering from indirect data. It coincided with the coldest phase of the so-called Little Ice Age.Earlier, Russian scientists announced that the Sun is on the verge of the ice age.
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