Which term is described as small, icy bodies that orbit the Sun just beyond Neptune?
a. Kuiper belt objects
b. asteroid belt objects
c. Oort cloud objects
d. Jovian belt objects
e. Neptunian belt objects
Question 2
The Balmer series of hydrogen absorption lines in stars is located in what part of the electromagnetic spectrum?
a. gamma ray region
b. ultraviolet region
c. visible region
d. infrared region
e. microwave region