Kepler’s 1607 Pioneering Sunspot Sketches Solve Solar Mysteries 400 Years Later
Using modern techniques, researchers have re-examined Johannes Kepler's half-forgotten sunspot drawings and revealed previously hidden information about the solar cycles before the grand solar minimum. By recreating the conditions of the great astronomer’s observations and applying Spörer's law in the light of modern statistics, an international collaborative group led by Nagoya University in Japan has measured the position of Kepler’s sunspot group, placing it at the tail-end of the solar cycle before the cycle that Thomas Harriot... Читать дальше...
