The apparent annual path of the sun upon the celestial sphere is called the ...

1) The apparent annual path of the sun upon the celestial sphere is called the ...  
a) ecliptic;   b) planet;   c) star;   d) galaxy;    e) constellation.

2) One of eight major bodies that orbit the Sun, visible to us by reflected sunlight.  
a) ecliptic;   b) planet;   c) star;   d) galaxy;    e) constellation.

3) A glowing ball of gas held together by its own gravity and powered by nuclear fusion in its core.  
a) ecliptic;   b) planet;   c) star;   d) galaxy;    e) constellation.

4) Gravitationally bound collection of large number of stars.  
a) ecliptic;   b) planet;   c) star;   d) galaxy;    e) constellation.

5) The totally of all space, time, matter, and energy:  
a) universe;   b) astronomy;    c) celestial sphere;    d) constellation;    e) galaxy.  

6) Branch of science dedicated to the study of everything in the universe that lies above Earth's atmosphere:  
a) universe;   b) astronomy;    c) celestial sphere;    d) constellation;    e) galaxy.    

7) A human grouping of stars in the night sky into a recognizable pattern:  
a) universe;   b) astronomy;    c) celestial sphere;    d) constellation;    e) galaxy.   

8) An imaginary sphere surrounding Earth  to which all objects in the sky were once considered to be attached:  
a) universe;   b) astronomy;    c) celestial sphere;    d) constellation;    e) galaxy.