Final answer:
The statement about a smart band being a narrow band on a disk's surface is likely a misinterpretation. The analogy actually relates to William Herschel's description of the Milky Way being a flat, disk-like structure with the solar system near the center, represented by a band in a circular formation.
Step-by-step explanation:
The statement suggests that a smart band is a narrow strip that forms a circle on a disk's surface. However, this seems to be a misinterpretation. The concept of a band forming a circular pattern actually stems from an analogy used by astronomer William Herschel when explaining his view of the Milky Way galaxy. Herschel concluded that the galaxy is a flat, disk-like structure with the solar system near its center. To visualize this, imagine being part of a band on a football field. If the band members are equally distributed around you in a flat circle, you would count a similar number of members in different directions. The formation is much wider than it is tall, like the way Herschel theorized the Milky Way to be.
In the context of astronomy, a band might refer to a pattern or structure within a larger formation, but it is not accurate to describe a smart band as a narrow band that forms a circle on the disk's surface. Herschel's analogy is about understanding the shape and structure of our galaxy, not about the physical features of a disk.