19.(Pg. [83]) In what order do the planets increase in size as represented, [fig. 2. plate 7]?
20.(Pg. [83]) What are we told respecting Mercury?
21.(Pg. [84]) What respecting Venus?
22.(Pg. [84]) When does Venus become a morning, and when an evening star?
23.(Pg. [84]) What is said of the Earth?
24.(Pg. [84]) What of Mars?
25.(Pg. [84]) What four small planets follow next?
26.(Pg. [85]) What is said of Jupiter?
27.(Pg. [85]) What of Saturn?
28.(Pg. [85]) What of Herschel?