THE EARTH AS A PART OF THE SOLAR SYSTEM 535 



SUPPLEMENTARY QUESTIONS FOR CLASS DISCUSSION 



1 . What are the relative positions of the members of the solar 

 system ? 



2. What does the spectroscope show about the heavenly 

 bodies ? 



3. What are the superstitions still held regarding the moon? 



4. What is the most important way in which the moon 

 affects man? 



5. Why is Mars the most interesting of alt the planets? 



6. In what ways is the earth like the other planets? 



7. What interests you most about the stars? 



REFERENCES 



Milton, Children's Book of Stars, Adam and Charles Black, 



London. 

 Proctor, Easy Star Lessons, G. P. Putnam's Sons, New York 



City. 



