sunspot cycle
1sunspot cycle — noun or sunspot period : the time between maxima in the varying numbers of sunspots averaging about 11 years but sometimes being many years shorter or longer * * * Astron. the cycle, averaging in duration slightly more than 11 years, in which the …
2sunspot cycle — Astron. the cycle, averaging in duration slightly more than 11 years, in which the frequency of sunspots varies from a maximum to a minimum and back to a maximum again. Cf. solar cycle. * * * …
3Sunspot Cycle — A somewhat regular eleven year cycle where the frequency of sunspots goes from almost none, to many …
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4sunspot maximum — sunspot maximum, the period during the sunspot cycle in which sunspots are most frequent …
5sunspot minimum — sunspot minimum, the period during the sunspot cycle in which sunspots are least frequent …
6Sunspot — A sunspot is a region on the Sun s surface (photosphere) that is marked by intense magnetic activity, which inhibits convection, forming areas of reduced surface temperature. They can be visible from Earth without the aid of a telescope. Although …
7sunspot — /ˈsʌnspɒt / (say sunspot) noun 1. one of the relatively dark patches which appear periodically on the surface of the sun, and which have a certain effect on terrestrial magnetism and other terrestrial phenomena. Their appearance is spasmodic but… …
8sunspot period — noun see sunspot cycle …
9Cycle Solaire — Pour les articles homonymes, voir Cycle solaire (homonymie). Un cycle solaire est une période pendant laquelle l activité du Soleil varie en reproduisant les mêmes phénomènes que pendant la période de même durée précédente. Vue de la Terre, l… …
10Cycle de Schwabe — Cycle solaire Pour les articles homonymes, voir Cycle solaire (homonymie). Un cycle solaire est une période pendant laquelle l activité du Soleil varie en reproduisant les mêmes phénomènes que pendant la période de même durée précédente. Vue de… …