Finding mistakes
Our tutor ponders techniques he employs unconsciously.
General Relativity passes another test of its predictions. Why bother?
Astronomy changes. So do the kind of people who become astronomers.
The recent solar eclipse demonstrates much more than astronomy. (Image: one page of Guy Ottwell’s The Under-Standing of Eclipses, available here)
Art and science are tied to reality in different ways, as are artists and scientists.