Characteristics [edit]. Bantams are suitable for smaller backyards as they do not need as much space as other breeds. Bantam hens are also used as laying hens, with some breeds laying up to 150 eggs per year. However, Bantam eggs are only about one-half to one-third the size of a regular hen egg.antams are suitable for smaller backyards as they do not need as much space as other breeds. Bantam hens are also used as laying hens, with some breeds laying up to 150 eggs per year.
All in all, the sunspots appear dark because the are darker than the surrounding surface. They're darker because they are cooler, and they're cooler because of the intense magnetic fields in them. share | improve this answer.
This NASA image shows the granulation of the convection cells on the Sun's surface, and the interruption of that pattern to show the darker sunspot. Sunspots will generally have a darker center (umbra) surrounded by a ligher region (penumbra). The sunspots represent cooler regions on the Sun's surface.