## relative sunspot numberA number devised by Rudolf Wolf of Zurich in 1849 to describe sunspot activity. Sometimes called the Wolf number, it is defined
as: R = k (10g + f)
where R is the sunspot number, k is a constant depending on
the instrument used, g is the number of disturbed regions, and f
is the total number of sunspots. ## Related category• SOLAR TOPICS | |||||

Home • About • Copyright © The Worlds of David Darling • Encyclopedia of Alternative Energy • Contact |