Word: sunspots
(lookup in dictionary)
(lookup stats)
Dates: during 1960-1969
Sort By: most recent first
(reverse)
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...
Pilgrim would be launched during a period of major sunspot activity, and Huguenin hopes to find new facts about the atmosphere of the sun and about sunspot emission...
...solar patrol will have to take care not to set off a false alarm that might unnecessarily abort a costly Apollo mission. But on the basis of past observations, the patrolmen know that if a flare is large and bright enough, if it is located close enough to a sunspot and is the source of strong radio signals over a wide range of frequencies, its appearance almost always heralds a hail of high-energy protons...