They need not actually be spectacular
Our astronomer, somewhat reluctantly, talks about the Supermoon
Textbooks are to learn from, of course. But who is doing the learning, and when?
Humans have accomplished some pretty amazing things, from putting men on the Moon (with old technology!) to sequencing their own heredity. But stubborn problems that look much easier persist.
Our astronomer spent a few years in England, where he learned something of the arcane art of ringing church bells. In the belfries of that country are wonderful examples of essentially Medieval technology that also demonstrate advanced mathematical and physical ideas.
An enormous apparatus for scientific research is finding only what was expected. This bothers scientists.