Free Search (11987 images)
Solar cycle plot
- Title Solar cycle plot
- Released 10/06/2008 3:29 pm
- Copyright ESA (image by R. Marsden)
The level of solar activity during its 11-year cycle, spanning from minimum to maximum and then to minimum again, is indicated by the number of sunspots visible on the surface of the Sun. During its mission, which lasted for more than 17 years, Ulysses witnessed almost two full solar cycles.