Word: sunspot
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
...rotation: the 27-day cycle of disturbances in the earth's magnetic field. Again a pattern emerged, with more accidents occurring during the first seven days, the 13th and 14th and the 20th and 25th days of each cycle. Furthermore, there was a noticeable correlation between accidents and sunspot activity, which peaks on an average of every 11 years. In 1968 and 1969, for example, when the number of sunspots reached their peak in recent years, the accident rate at Sandia was the highest in the past two decades...
...they invariably last no more than a few minutes and often frustrate astronomers by what Veteran Eclipse Watcher Donald H. Menzel of Harvard calls their "perverse habit of hitting desolate regions." Because of its favorable viewing path and timing-near the peak of the sun's eleven-year sunspot cycle-the March 7 eclipse is being eagerly awaited by astronomers...
Another puzzling change heralds the new cycle: the polarity of the sunspot pairs reverses. Thus, if the leading spots of pairs are negative in the northern hemisphere during one eleven-year cycle, they are positive during the next. Even more remarkable, the overall solar magnetic field reverses near the peak of each cycle, the north and south magnetic poles trading places. This strange behavior may result from distortions in the magnetic fields caused by the sun's uneven rate of rotation; for still-unknown reasons, the equatorial regions rotate around the solar axis every 25 days, regions at higher...
...been evident to astronomers for some time that solar disturbances occur in rather close harmony with the appearance of the sunspots. Thus there were fierce solar storms during and shortly after the record numerical peak in sunspots during 1957-58 and a long lull during the sunspot minimum in 1963-64. There is an even closer connection. Most of the violent solar eruptions occur near clusters of sunspots on the solar surface and seem to derive their energy from the magnetic fields that cause the spots. Suddenly flaring into extreme brilliance, a region hundreds of millions of square miles...
...Island to what it would have been in Evanston?if Evanston had had a tide. Apparently, the moon was communicating with the oysters in some language as yet inaudible to man. Japanese Dr. Maki Takata found that the composition of human blood changes in relation to the eleven-year sunspot cycle, to solar flares and sunrise, and during eclipses. French Science Writer Michel Gauguelin foresees a new science of astrobiology, which could vindicate the intuited conclusion of the ancients that extraterrestrial forces affect human life, and at the same time explode the anachronistic conglomeration of myth and magic cluttering...