The amount of magnetic flux that rises up to the Sun's surface varies with time in a cycle called the solar cycle. This cycle lasts 11 years on average. This cycle is sometimes referred to as the sunspot cycle. Near the minimum of the solar cycle, it is rare to see sunspots on the Sun, and the spots that do appear are very small and short-lived.
exists and is an alternate of . Making the world better, one answer at a time. The three main parts of the cell are the cell membrane (surrounds and protects the cell), the cytoplasm (the liquid inside the cell), and the nucleus (control center of the cell). Minor edit?
The other type of cell is glia, which protects the former. Neurons have three main parts: 1  Cell body or Soma: it is the main part of the cell, the one that makes all metabolism and functions.2  It is very similar to other body cells, except for the difference that neurons do not replicate. 3  Axon: it is the longest and most important part of the neuron, it transmit the impulse.he other type of cell is glia, which protects the former. Neurons have three main parts: 1  Cell body or Soma: it is the main part of the cell, the one that makes all metabolism and functions.