Transcription: It is possible that most people who are interested in astronomy are more likely to be content with listening to lectures from time to time than taking an active part. Yet there are others who are seriously interested and remain so for many years. Yet do these people really appreciate the meaning of astronomy? Through no fault of their own they may have the wrong ideas. They obtain their knowledge from popular books or lectures and though many have If these are of a high standard, there are still some drawbacks. To keep the reader's attention, problems may be oversimplified and all mathematical ... File Comment Made in Intimate Arts