An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian
فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک
M. Heydari-Malayeri - Paris Observatory
HomepageNumber of Results: 2 Search : Sporer minimum
Sporer minimum kamine-ye Spörer Fr.: minimum de Spörer A period of low → solar activity that lasted from about A.D. 1420 to 1570. It occurred before → sunspots had been studied, and was discovered by analysis of the proportion of carbon-14 in tree rings, which is strongly correlated with solar activity. Named for the German astronomer Gustav Spörer (1822-1895); → minimum. |
Spörer minimum kamine-ye Spörer Fr.: minimum de Spörer A period of low → solar activity that lasted from about A.D. 1420 to 1570. It occurred before → sunspots had been studied, and was discovered by analysis of the proportion of carbon-14 in tree rings, which is strongly correlated with solar activity. Named for the German astronomer Gustav Spörer (1822-1895); → minimum. |
