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.
Sunspot cycle. Sunspots have a diameter of about 37,000 km and appear as dark spots within the photosphere, the outermost layer of the Sun. The photosphere is about 400 km deep, and provides most of our solar radiation. The layer is about 6,000 degrees Kelvin at the inner boundary and 4,200 K on the outside.