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Solar activity in the XVIII century was the same as today - VIDEO PDF Print E-mail
Thursday, 12 February 2015 09:10

Counting the number of Sunspots over extended time intervals allows scientists to evaluate the activity of our star for a given period, however, as it turned out, two widely used by researchers around the world index of solar flares differ in their assessment of solar activity over the time periods up to 1885. In the present time international research team attempted to reconcile the historical observations of the Sun and quite unexpectedly found that the present activity of our star is very close to its activity in other historical periods, such as during the Age of Enlightenment.

Scientists have counted Sunspots using small telescopes, since 1610 Results of these observations have established that the activity of our star rises every 11 years in accordance with the number of dark and cold, compared with the surrounding surface of the star spots. The more spots on the Sun appears, the brighter the light regions of the solar surface around these spots and the brighter the star in our general.

Changes in solar activity are not limited to a mere 11-year cycle. It is widely believed that in the XX century - which experts call "modern maximum" of solar activity - solar luminosity peaks were generally more intense than in other historical periods. However, the new scientific work team of researchers led by Jose M. Vakuero, Spain, a critical review of historical observations of our star for the past 400 years indicates that the high activity of the Sun took place also in other periods of history of the world, for example in the 18th century when the level of activity of the star was about the same as today.

Careful analysis of historical results of solar observations allowed researchers to correct incorrect data given in two well-known signs of Sun spots, one of which is made by the Swiss astronomer in 1849 and is called the «International Sunspot Number», or a pointer to the Wolf, and the second - «Group Sunspot Number "- created by two American astronomers in 1998

The study was published in the Journal of Space Science Reviews.


НАЖМИТЕ ЗДЕСЬ ДЛЯ ПРОСМОТРА ВСЕГО СПИСКА НОВОСТЕЙ О НЕОБЫЧНЫХ ЯВЛЕНИЯХ>>>

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