I'm going to hazard a guess that since this has a net score of 6 currently, which is an ample amount for Astronomy meta, the community is generally interested in this.
I could see it being useful in some cases as a visual aid for things that can be kind of hard to envision from a textual description, especially where a novice might not know what is being described in technical terms and a simpler explanation would require a lengthy detour from the main text.