Which types of galaxies would contain very little gas and dust?
a. elliptical galaxies only
b. elliptical and spiral galaxies
c. spiral galaxies only
d. elliptical and irregular galaxies
e. spiral and irregular galaxies
Question 2
What characteristic of a telescope controls the amount of light captured by the telescope?
a. resolving power
b. magnifying power
c. size of eyepiece
d. number of mirrors
e. diameter of tube