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.
In the photo on the right, we see a close-up view of a moderately large sunspot. The umbra is the darkest inner region, and the penumbra is the lighter, ray-like, uoter region of the sunspot. Sunspots can be small, 900 miles (about 1500 kilometers), or they can reach sizes up to 30,000 miles (about 50,000 kilometers).